Immigration: The Honest Breakdown

TL;DR

• The immigration debate in the United States produces more heat than light because both sides argue from selective evidence while the system itself is broken in ways that harm everyone: the people trying to come legally, the workers who compete with those who cannot, the communities trying to absorb rapid change, and the country that needs both labor and the rule of law to function.
• The empirical case for immigration’s economic benefits is strong but not absolute. The fiscal case depends heavily on methodology and which level of government is being analyzed. The cultural and crime concerns circulate freely but do not hold up well against the actual data. The case for rule of law is real but undermined by a legal system so dysfunctional that it makes law-abiding entry practically impossible for most people who want it.
• The libertarian path forward does not choose between “open borders” and mass deportation. It chooses to make legal movement of people as easy as legal movement of goods, to match visa categories to actual economic demand, to reduce the bureaucratic barriers that convert willing law-followers into unavoidable lawbreakers, and to respect the dignity of people exercising one of the most basic human drives: seeking a better life.

Americans have been arguing about immigration for as long as there have been Americans. The Irish who arrived in the 1840s were told they were unassimilable, prone to crime, Catholic in a Protestant country, and taking jobs from honest workers. The same arguments were made, almost word for word, about Italians in the 1880s, Chinese in the 1890s, Eastern European Jews in the 1910s, Mexicans in the 1950s, and Central Americans today. The specific fears change. The structure of the argument does not.

That pattern does not prove every fear is groundless. It does suggest that fear of the newcomer is one of the most consistent features of human social psychology, documented across cultures and millennia, and that it routinely outruns the evidence. The people who were called unassimilable in 1850 are now, in their descendants, simply called Americans.

This article takes the immigration debate seriously enough to engage all of its dimensions with the evidence that is actually available. It does not pretend the concerns are trivial. It also does not pretend the evidence supports the most alarming versions of those concerns. And it works toward a practical account of what a more humane, more functional, and more free immigration system would look like.

The Broken System: What the Current Framework Actually Is

Before assessing the arguments, it is worth being precise about what the United States immigration system currently does, because most of the people arguing about immigration are arguing about a system they have never had to navigate and do not accurately understand.

The United States offers legal permanent residence (a green card) through four basic channels: family-based sponsorship, employment-based sponsorship, the diversity visa lottery, and humanitarian protection (asylum and refugee status). Each of these channels has annual numerical caps set by Congress, per-country limits that make no adjustment for population size, and processing bureaucracies that operate at speeds that would embarrass the DMV.

The family-based system prioritizes immediate relatives of US citizens with no numerical cap for that category, but it imposes caps on all other family relationships. The employment-based system allocates roughly 140,000 green cards per year across five preference categories. The diversity lottery provides 55,000 green cards annually to nationals of countries that have historically sent low numbers of immigrants.

The per-country cap is perhaps the most consequential design flaw in the system. No country can receive more than 7 percent of the total employment-based green cards in a year, regardless of how many of its nationals are waiting. India, with a population of 1.4 billion and a large professional class seeking employment-based immigration, receives the same annual allotment as Iceland. The result is a backlog of over 1.2 million Indian nationals in the employment-based queue, with projected wait times in the most oversubscribed categories exceeding 100 years. A software engineer from Bangalore who is on an H-1B visa and whose employer sponsors them for a green card today will likely be waiting for that green card when their grandchildren are adults. (Cato Institute, “The Employment-Based Immigration Backlog,” 2022.)

This is not a marginal inconvenience. It is a structural dysfunction that forces highly skilled workers, who followed every rule, paid every fee, and waited patiently, to spend decades in legal limbo. They cannot easily change employers, cannot start companies without forfeiting their place in line, and live under the constant threat that a layoff will render them out of status within 60 days. Their children, if they turn 21 before the green card arrives, “age out” of dependent status and must independently qualify for immigration or leave the country they grew up in.

On the other end of the labor market, the United States has no functional visa category for low-skilled workers who are not in agriculture. The H-2A program covers seasonal agricultural work but requires employer certification processes that take months and cover only temporary stays. The H-2B program covers other temporary non-agricultural work but is capped at 66,000 visas per year in a labor market where millions of jobs in construction, hospitality, food service, meat processing, landscaping, and domestic care are filled by workers who came without authorization because there was no authorization to obtain.

The consequence of this structure is the system that exists: roughly 11 million people living and working in the United States without legal status, the majority of whom have been here for more than a decade, many of whom entered legally and overstayed their visas, and most of whom are doing work that the US economy demonstrably needs. (Pew Research Center, “Size of the Unauthorized Immigrant Population in the U.S.,” 2023.) The unauthorized population is not primarily a product of insufficient border enforcement. It is primarily a product of a legal system so inadequate to actual labor market demand that it makes unauthorized presence the only rational option for millions of people.

The Economic Arguments: What the Evidence Shows

The economic debate about immigration has been conducted at high volume and with less precision than it deserves. Here is what the research actually shows.

GDP and aggregate economic output. There is broad consensus that immigration increases the total size of the US economy. The Congressional Budget Office projected in 2024 that the recent surge in immigration would add approximately $8.9 trillion to nominal GDP over the 2024-2034 period. Immigrants constitute roughly 18 percent of the US workforce while representing about 14 percent of the population, indicating above-average labor force participation. They start businesses at higher rates than native-born Americans, pay payroll taxes into Social Security and Medicare (programs that require a growing workforce relative to retirees to remain solvent), and generate consumer demand that supports additional employment. (Congressional Budget Office, “The Economic and Budget Outlook: 2024 to 2034,” 2024.)

Entrepreneurship. The numbers here are striking enough to bear stating directly. According to research by the National Foundation for American Policy, 55 percent of US startup companies valued at $1 billion or more have at least one immigrant founder. When including the children of immigrants, that figure rises to 64 percent. Forty-six percent of Fortune 500 companies were founded by immigrants or their children. Google, Yahoo, eBay, YouTube, Instagram, WhatsApp, Tesla, and Stripe all have immigrant founders. (National Foundation for American Policy, “Immigrants and Billion Dollar Startups,” 2022.) The United States has been one of the most economically dynamic societies in human history, and a substantial part of that dynamism has come from people who came from somewhere else and built things here.

Wages. This is where the debate has been most genuinely contested. The Card-Borjas debate, named for economists David Card (Nobel laureate, 2021) and George Borjas (Harvard), reflects a real methodological disagreement about how to measure the wage effects of immigration on native workers. Card’s area-based approach finds little to no wage effect. Borjas’s skill-cell approach finds a negative effect on native workers who compete directly with immigrants in the same skill category, particularly those without high school diplomas. The National Academies of Sciences, Engineering, and Medicine’s comprehensive 2016 review concluded that the wage impact on most native workers is small or positive but may be modestly negative for workers who are close substitutes for recently arrived immigrants in specific skill categories. (National Academies of Sciences, “The Economic and Fiscal Consequences of Immigration,” 2016.)

The honest takeaway is this: immigration provides aggregate wage benefits and boosts productivity for most workers, but low-skilled native workers without high school diplomas may face modest downward wage pressure from large inflows of similarly skilled immigrants. That is a real concern that deserves policy attention, particularly for the workers least positioned to absorb it. It does not justify restricting immigration across the board. It does justify designing immigration policy to include labor market feedback mechanisms that can adjust visa volumes based on conditions in specific sectors.

Fiscal impact. The fiscal debate is one of the most methodologically contested in immigration economics, and honest engagement requires acknowledging that the answer depends heavily on which level of government you are analyzing and over what time horizon. The federal government is a net beneficiary of immigration: immigrants pay payroll taxes, income taxes, and sales taxes, while being ineligible for most means-tested federal programs for their first five years of residence. State and local governments are more varied: they bear the cost of K-12 education (which serves US-born children of immigrants, who are themselves citizens) and emergency healthcare, while collecting property and income taxes from immigrant households. The National Academies’ 2016 review found that a first-generation immigrant costs roughly $1,600 per year more in net fiscal terms than a native-born person, while the second generation is the single strongest net fiscal contributor of any population group, paying more in taxes per capita than any other group including third-generation-and-above Americans. Over a 75-year horizon, including the full arc of generational contribution, immigration is a substantial net fiscal positive for all levels of government combined.

The Cultural Arguments: What the Evidence Shows

The cultural arguments against immigration are the hardest to engage empirically because they involve questions of value that cannot be fully resolved by data. Some people genuinely believe that the United States has a specific cultural character that is worth preserving and that rapid demographic change threatens it. That belief deserves to be taken seriously rather than dismissed as mere prejudice.

What the evidence does show is that assimilation to American cultural norms has been the consistent historical pattern, even when contemporaries were convinced it would not happen.

Language. English language acquisition among immigrants follows a consistent intergenerational pattern. The first generation often speaks limited English, communicates primarily in their native language, and participates in ethnic enclave economies. The second generation is typically bilingual, with English as the dominant language for education, work, and social life. By the third generation, the heritage language is largely lost: roughly 70 percent of third-generation Latinos speak only English or are dominant English speakers. (Pew Research Center, “Statistical Portrait of the U.S. Hispanic Population,” 2023.) The notion that Spanish-speaking immigration is creating a permanent linguistic divide is not supported by the generational data, which shows the same pattern as Italian, Polish, Yiddish, and German before it.

Civic participation. Naturalized citizens vote at rates comparable to native-born citizens. Immigrant civic association participation, once they achieve stable legal status, resembles that of native-born Americans in similar socioeconomic circumstances. The research on “social capital” and immigration is mixed: large-scale immigration to a community does produce temporary disruption to social trust indicators, but those indicators recover as integration proceeds. Robert Putnam’s research on diversity and social capital documented this temporary disruption but also found that it resolves over the medium term in communities with strong integrating institutions like public schools, civic organizations, and religious communities.

Cultural contribution. The argument that immigration impoverishes American culture requires a peculiar definition of American culture that excises most of what makes it distinct. American cuisine, music, literature, and popular culture have been continuously enriched by immigrant contributions across every wave. Jazz and blues are inseparable from the African American experience, which is itself rooted in forced migration. Country music draws on the Irish and Scots-Irish traditions of Appalachian settlers. Rock and roll emerged from the collision of African American rhythm and blues with European harmonic traditions. American literature’s most celebrated voices include immigrants and children of immigrants from every wave. The American capacity for cultural synthesis and appropriation (in the positive sense of creative borrowing) is not in spite of immigration. It is substantially because of it.

The Security and Rule-of-Law Arguments: What the Evidence Shows

The security arguments against immigration deserve careful empirical treatment because they are often stated as self-evident when the evidence points in a different direction.

Crime. The most politically powerful claim is that immigrants, especially those who are unauthorized, bring crime. This claim has been studied extensively and the evidence consistently runs the other direction. Research from the Cato Institute using American Community Survey data finds that native-born Americans have an incarceration rate of 1,195 per 100,000, while unauthorized immigrants have a rate of 674 per 100,000 and legal immigrants have a rate of 303 per 100,000. (Nowrasteh and Landgrave, “Criminal Immigrants in 2019: Incarceration Rates, Crime Rates, and Compared to Legal Immigrants and US-Born Americans,” Cato Institute, 2024.) Analysis of National Crime Victimization Survey data from 2017 to 2023 found that immigrants were 44.5 percent less likely than native-born Americans to be victims of violent crime and more likely to report crimes to police. (Cato Institute, “Immigrants, Crime, and Victimization,” 2025.)

This consistent finding is not mysterious. Immigrants, particularly those who are unauthorized, have very strong incentives not to attract law enforcement attention. Any contact with police creates deportation risk. This creates a selection effect in which people who are inclined toward criminal behavior self-select out of immigration while those who are motivated to work, build, and stay out of trouble self-select in. The same logic explains why immigrant communities are often safer than comparable native-born communities: the people who came to work have little interest in behaviors that would jeopardize everything they sacrificed to get here.

None of this means that no immigrant has ever committed a crime. Some have, and the crimes of individual immigrants receive enormous political attention. The relevant comparison is not between immigrants and perfect behavior; it is between immigrants and the native-born population at comparable socioeconomic levels. On that comparison, immigrants consistently look better.

National security. The claim that the border represents a significant national security vulnerability deserves to be taken seriously in principle while being evaluated against the actual record. The 9/11 hijackers were not unauthorized border crossers; they were visa holders. The 2013 Boston Marathon bombers were legal residents. The distinction between immigration control and border security matters: making it easier for peaceful economic migrants to enter through authorized channels would free up enforcement capacity to focus on genuine security threats, cartel activity, and human trafficking. These are the populations that a reformed system would have more resources to identify and exclude.

Rule of law. The rule-of-law argument is the most intellectually coherent case for strict enforcement: a country that does not enforce its laws erodes the norm of legal compliance generally. This concern is real. It becomes less compelling when it is examined in light of what the law actually requires. A person who wants to come to the United States to work, who has family here, who has no criminal record, and who simply cannot afford to wait 20 to 150 years in the employment-based queue has not made a choice between compliance and non-compliance. They have been placed in a system that offers no realistic path to compliance and then criticized for their failure to find one.

The rule of law argument is strongest when the law is genuinely followable. A law that 11 million people cannot follow is not primarily a law enforcement problem. It is primarily a law design problem. The appropriate response is to redesign the law so that it is actually followable, which would restore the meaning of legal status by ensuring that those without it genuinely chose non-compliance rather than having it forced upon them by system dysfunction.

The Prohibition Lens: Why Restriction Empowers the Worst Actors

The Loveatarian’s recurring analytical frame is the economics of prohibition, and it applies with full force to immigration.

When legal pathways for migration are inadequate to actual demand, unauthorized migration does not disappear. The demand does not change because the legal supply is restricted. What changes is the supply chain: it shifts from legal, documented, accountable channels to illegal, undocumented, violent ones. This is the prohibition dynamic applied to human movement.

The consequences are predictable and documented.

Human smuggling has become one of the most lucrative criminal enterprises in the Western Hemisphere. Coyotes, the smugglers who guide migrants across the US-Mexico border, charged a few hundred dollars per crossing in the early 1990s. By the 2020s, following three decades of increasing border enforcement, the price had risen to between $6,000 and $15,000 per person depending on origin country and route, with even higher prices for Chinese and other non-Latin American nationals crossing through Mexico. (No More Deaths, “The Cost of Crossing,” 2023.) The money does not go to the migrants. It goes to criminal organizations, in many regions cartels that also traffic drugs and weapons and who extort additional fees from migrants during the crossing.

The death toll from increasingly dangerous desert crossings is substantial and largely hidden. The bodies of migrants who die of heat, dehydration, and exposure in the Sonoran Desert and other remote crossing areas are recovered in the hundreds annually. The actual number of deaths is higher because not all bodies are found in terrain that spans thousands of square miles of remote wilderness. (Humane Borders, “Migrant Death Mapping Project,” updated annually.) These are people who were trying to work and who died because the legal channel was unavailable to them.

The enforcement apparatus required to police a large unauthorized population develops tools and practices that impose costs on everyone in proximity to it. The Constitution-free zone, created by CBP policy within 100 miles of any US border or coast, allows warrantless searches and affects approximately 200 million Americans who live within that zone. Interior enforcement operations have detained and deported US citizens and lawful permanent residents caught in enforcement dragnets. The militarization of the border has not significantly reduced unauthorized migration; it has made existing migrants less likely to circulate back to their home countries (since re-entry has become so dangerous), increasing the size of the settled unauthorized population relative to what it would otherwise be.

The parallel to drug prohibition is exact. Restriction does not eliminate the demand. It raises the price, channels the profit to criminal actors, makes the transit more dangerous for participants, and expands the enforcement apparatus in ways that threaten everyone’s civil liberties. The beneficiaries of the current system are the cartels, the private prison companies, and the politicians who use immigration fear as an electoral resource. The victims are the migrants who die in the desert, the workers who live in legal limbo, and the native-born communities that receive less law enforcement attention because resources are diverted to immigration enforcement.

The Political Arguments: What Each Side Gets Right and Wrong

The immigration debate in American politics is organized around two positions that each contain real insights and significant blind spots.

The restrictionist position correctly identifies that rapid demographic change creates social adjustment costs, that some workers do face wage competition from immigration in specific sectors, that the rule of law requires enforcement to be meaningful, that national security requires knowing who is in the country, and that the current system’s dysfunction is genuinely unfair to people who follow the legal process. It goes wrong when it treats every concern about immigration as a reason for less immigration rather than for better-designed immigration, when it ignores the evidence on crime and assimilation, when it supports policies that harm people who have built lives here and who are deeply integrated into their communities, and when it treats the border as the sole variable when most unauthorized people entered legally and overstayed their visas.

The pro-immigration position correctly identifies that immigrants make enormous economic contributions, that the fears of immigrant crime and cultural non-assimilation are not supported by the long-run evidence, that the current legal system is dysfunctional and creates unauthorized status as a structural outcome rather than as a genuine choice, and that immigration restriction empowers criminal intermediaries and creates humanitarian disasters. It goes wrong when it dismisses the genuine wage competition concerns of the most economically vulnerable native workers, when it treats enforcement as inherently illegitimate rather than as a potentially useful tool in a well-designed system, and when it fails to acknowledge the real social adjustment costs that rapid immigration influxes impose on receiving communities.

The libertarian position is not the midpoint between these two. It is a different framework: one that starts from the premise that the movement of peaceful people across borders is a natural extension of the freedom of movement, association, and contract that underlies a free society. It acknowledges that governments have legitimate interests in screening for criminals, terrorists, and those likely to become public charges. It insists that those legitimate interests can be pursued without the current system’s absurd combination of a dysfunctional legal process and harsh enforcement against people the legal process cannot accommodate.

A Path to Freer Movement: Practical Reform That Respects All the Concerns

The political economy of immigration reform is brutal, but the outlines of a workable reform framework exist and have at various points attracted bipartisan interest. The 2013 Senate immigration bill passed 68-32 and combined expanded legal pathways with enhanced enforcement; it died in the House not because its provisions were unpopular but because the political calculus of the House Republican conference made compromise on immigration impossible. The elements of a workable reform are not secret. Here is what they would include.

Match visa categories to actual labor market demand. The single biggest driver of unauthorized immigration is the absence of a legal pathway for the work that the US economy actually demands. A flexible guest worker visa for industries experiencing documented labor shortages, with clear mechanisms for workers to change employers and adjust to other legal statuses over time, would allow the construction workers, food processors, caregivers, and service workers who currently enter without authorization to enter with it. The agricultural H-2A program should be reformed to be faster, cheaper, and less onerous for both workers and employers, and it should be extended to year-round industries. Visa caps that are chronically oversubscribed (employment-based categories with decade-long backlogs) should be automatically raised when the queue exceeds a defined threshold.

Eliminate or dramatically reform the per-country cap. The seven-percent-per-country cap on employment-based green cards is arbitrary, cruel to people who wait decades in legal limbo, and creates enormous inefficiency by tying skilled workers’ legal status to their employer while they wait. Eliminating the per-country cap and moving to a pure skills-and-demand-based allocation would cut the backlog for Indian and Chinese nationals dramatically while not reducing overall immigration. This has bipartisan support in concept; it has stalled primarily because of opposition from countries that currently benefit from the cap, an odd political dynamic in which smaller sending countries lobby against reforming a rule that discriminates against the most populous ones.

Establish a clear legalization pathway for long-settled unauthorized residents. The roughly 11 million unauthorized people currently in the United States include a substantial number who have been here for more than a decade, have US-born children, own businesses, pay taxes, and are deeply integrated into their communities. The practical argument for some form of legalization is not compassion alone; it is also economic rationality. People with legal status contribute more in taxes, invest more in their communities, are more able to upgrade their skills, and are less vulnerable to exploitation by unscrupulous employers. The political quid pro quo for legalization has historically been enhanced enforcement, which is a reasonable trade if the enforcement is focused on genuine threats rather than on long-settled community members.

Focus enforcement on genuine threats, not on economic migrants. A reformed enforcement apparatus would concentrate resources on cartel members, human traffickers, people with serious criminal records, and those who have been ordered removed by immigration courts and failed to comply. The current system, which targets people who have lived here for decades because they are visible and not dangerous, inverts enforcement priorities. It creates perverse outcomes in which people with criminal records who evade authorities are less likely to be deported than parents who show up at their workplaces.

Fund immigration courts adequately. The immigration court backlog exceeded 3.7 million cases in 2024. The average case takes years to resolve. People who have filed asylum claims live in legal limbo for years or are released on recognizance and instructed to appear at future hearings that may be scheduled several years out. A system with adequate court capacity would process claims faster, identify meritorious asylum cases sooner, and create more credible consequences for those who do not have valid claims. Current funding levels make a mockery of due process in both directions.

Implement mandatory E-Verify with serious reform of the underlying database. Libertarians have legitimate objections to mandatory E-Verify as a surveillance mechanism and as an infringement on employer freedom to hire whom they choose. Those objections are real. They are also more compelling in a system where legal immigration is impossible for most of the people doing the work. In a system where legal work authorization is genuinely accessible, mandatory E-Verify to ensure that the authorized pathways are actually used becomes more defensible. The database must be made highly accurate before implementation, because its current error rate imposes significant costs on legal workers who are wrongly flagged.

Restore the asylum system’s credibility. The asylum system was designed for people facing genuine persecution based on race, religion, nationality, political opinion, or membership in a particular social group. It has become the de facto entry mechanism for economic migrants and people fleeing general crime and poverty in Central America and elsewhere, because those people have no other legal option. Restoring the asylum system to its intended function requires creating the legal alternatives that would allow economic migrants and people fleeing general insecurity to access legal pathways. Without those alternatives, restricting asylum merely pushes people into more dangerous unauthorized entry.

The Loveatarian Case: Freedom of Movement as a Libertarian Principle

The libertarian case for substantially freer immigration is not primarily about compassion, though compassion is warranted. It is about consistency.

A libertarian who believes that goods should move freely across borders, that capital should move freely across borders, that information should move freely across borders, and that people should be able to make their own decisions about where to live and work, has to explain what principle justifies the selective exemption of human movement from the general rule of freedom. The most honest answer is that there is no principled exemption: the restriction of human movement is a legacy of the nation-state system that has no foundation in natural rights or economic efficiency, and that produces the same harmful consequences as every other form of prohibition.

The practical objections are real and deserve honest responses. Can a welfare state survive open borders? This is a genuine tension: generous public benefits create incentives for migration that are disconnected from labor market demand, and a country cannot be both a universal welfare state and a place with genuinely open borders without fiscal strain. The honest libertarian answer involves both: reforming the welfare state to reduce universal entitlements (which is a libertarian position independent of immigration) and designing immigration policy to ensure that new arrivals are either self-sufficient or sponsored by private parties rather than immediately eligible for public support. Singapore’s immigration system, which ties residency status to labor market participation and requires employer or family sponsorship for most categories, is one model for this approach.

Is cultural cohesion a legitimate national interest that can justify some restriction? This is harder. The evidence on assimilation is reassuring over the long run, but the short-run social adjustment costs of rapid immigration are real. A libertarian can acknowledge that communities have some legitimate interest in managing the pace of demographic change without concluding that the appropriate response is a system as dysfunctional and inhumane as the current one. Expanding legal pathways while maintaining some numerical framework for pacing the flow is not a contradiction.

Does national security require control of who crosses the border? Yes, and a libertarian supports border screening. The question is what the screen is filtering for. Screening for criminal records, known terrorist affiliations, and communicable diseases is a legitimate function of a minimal state. Screening for the desire to work is not. The current system inverts this: it makes it very hard for peaceful economic migrants to enter legally while providing limited resources for identifying genuinely dangerous actors in the much larger flow of unauthorized crossings that restriction creates.

The libertarian vision for immigration is not a world without borders. It is a world where borders are not walls but checkpoints: places where peaceful people pass freely after confirming their identity and their freedom from criminal record, where dangerous actors are identified and excluded, and where the traffic of human movement is orderly because it is legal, not chaotic because it is prohibited. That world would have fewer deaths in the desert, fewer cartel revenues, fewer civil liberties violations at interior checkpoints, and more economic dynamism than the current system produces. It would also be, by any reasonable measure, a freer one.

Go Deeper: Books by Alex Merced

The immigration debate is simultaneously an economic argument, a political philosophy argument, and a deep question about the American national character and its relationship to the idea that this country was founded as a refuge for people seeking freedom. Alex Merced has written directly in all three registers.

Economic Ideas: From Beginning to Early 2026 provides the economic framework for the arguments in this article. The theory of labor complementarity between immigrant and native workers, the economics of human smuggling as a black market response to migration prohibition, the public choice analysis of why dysfunctional immigration law persists despite its demonstrated costs, and the fiscal economics of immigration across generations are all developed in the context of broader economic history. The card-Borjas debate is one episode in a longer argument about how labor markets absorb supply shocks that this book traces from classical economics through contemporary empirical research.

The Field Guide to Libertarianism builds the political philosophy behind the freer-movement position. The case for freedom of movement as an extension of freedom of association and contract, the libertarian critique of the welfare state as a separate argument from the libertarian case for immigration, the principle that prohibition of voluntary movement produces the same black market dynamics as prohibition of voluntary commerce, and the practical path toward a system that respects both liberty and the legitimate interests in border security are all developed in this guide as applied political argument.

Political Thought and Debates of the United States situates the immigration debate in the full arc of American political history. The Alien Acts of 1798, the Chinese Exclusion Act of 1882, the Immigration Act of 1924 that imposed the national-origin quota system, the Hart-Celler Act of 1965 that replaced national origin with family preference, and the four decades of reform attempts since the 1986 Immigration Reform and Control Act are all episodes in an ongoing American argument about who belongs here and on what terms. Understanding that history explains why the current system looks the way it does and provides the context for evaluating proposed changes.

All three are available on Amazon. The full catalog of Alex Merced’s work is at books.alexmerced.com.

Sources and Further Reading

1. Congressional Budget Office. “The Economic and Budget Outlook: 2024 to 2034.” cbo.gov, February 2024.

2. National Academies of Sciences, Engineering, and Medicine. “The Economic and Fiscal Consequences of Immigration.” National Academies Press, 2016.

3. National Foundation for American Policy (NFAP). “Immigrants and Billion Dollar Startups.” nfap.com, updated 2022.

4. Pew Research Center. “Size of the Unauthorized Immigrant Population in the U.S.” pewresearch.org, 2023.

5. Pew Research Center. “Statistical Portrait of the U.S. Hispanic Population.” pewresearch.org, 2023.

6. Nowrasteh, Alex, and Michelangelo Landgrave. “Criminal Immigrants in 2019: Incarceration Rates, Crime Rates, and Compared to Legal Immigrants and US-Born Americans.” Cato Institute Policy Analysis, 2024.

7. Cato Institute. “Immigrants, Crime, and Victimization: Evidence from the National Crime Victimization Survey.” cato.org, 2025.

8. Cato Institute. “The Employment-Based Immigration Backlog.” cato.org, 2022.

9. No More Deaths / No Mas Muertes. “The Cost of Crossing.” nomoredeaths.org, 2023.

10. Humane Borders. “Migrant Death Mapping Project.” humaneborders.org, updated annually.

11. Card, David. “The Impact of the Mariel Boatlift on the Miami Labor Market.” Industrial and Labor Relations Review 43, no. 2 (1990): 245-257.

12. Borjas, George J. “The Wage Impact of the Marielitos: A Reappraisal.” Industrial and Labor Relations Review 70, no. 5 (2017): 1077-1110.

13. Putnam, Robert D. “E Pluribus Unum: Diversity and Community in the Twenty-first Century.” Scandinavian Political Studies 30, no. 2 (2007): 137-174.

14. American Immigration Council. “The Economic and Fiscal Impact of Immigration.” americanimmigrationcouncil.org, updated 2024.

15. Migration Policy Institute. “The Integration of Immigrants into American Society.” migrationpolicy.org, updated 2023.

16. Office of Immigration Statistics, Department of Homeland Security. “Annual Report on Immigration Enforcement Actions.” dhs.gov, 2023.

17. Massey, Douglas S., Jorge Durand, and Karen A. Pren. “Why Border Enforcement Backfired.” American Journal of Sociology 121, no. 5 (2016): 1557-1600. (Documents how enforcement increased rather than decreased the settled unauthorized population by eliminating circular migration.)