WHO IS HERE.
The United States has an estimated 11 million unauthorized immigrants — stable since the mid-2000s but shifted in composition. Mexico, once the dominant source, now represents about 37% of the total; the fastest-growing segments come from Central America, Venezuela, Cuba, Haiti, India, and China. The population spans long-term residents of 20-plus years, recent asylum seekers, construction and agricultural workers, employees on expired visas, and 660,000 DACA recipients. These are not one community — they have different legal situations, different histories, and different stakes in whatever Congress eventually decides.
LEGAL IMMIGRATION — 140 YEARS.
The United States has admitted more than 85 million legal immigrants since 1880. For 80 years, arrivals were overwhelmingly European. The 1924 National Origins Act cut admissions to a trickle; the 1965 Hart-Celler Act reopened the door and shifted preference to family reunification and employment skills. Mexico alone has sent an estimated 18 million legal immigrants since 1965 — the single largest country-of-origin wave in U.S. history. Approximately 47 to 49 million foreign-born residents live in the United States today — roughly 14% of the population, near the 1890 peak of 14.8%. The composition has changed. The scale has not.
| Decade | Total | Europe | Americas | Asia | Africa |
| 1880s | 5.2M | 4.6M | 530K | 71K | < 1K |
| 1890s | 3.7M | 3.6M | 39K | 61K | < 1K |
| 1900s | 8.2M | 7.6M | 278K | 300K | 6K |
| 1910s | 6.3M | 5.0M | 1.1M | 270K | 9K |
| 1920s | 4.3M | 2.6M | 1.6M | 127K | 6K |
| 1930s | 699K | 444K | 230K | 19K | 2K |
| 1940s | 857K | 473K | 328K | 35K | 7K |
| 1950s | 2.5M | 1.4M | 922K | 136K | 13K |
| 1960s | 3.2M | 1.1M | 1.7M | 359K | 24K |
| 1970s | 4.2M | 826K | 1.9M | 1.4M | 71K |
| 1980s | 6.2M | 670K | 2.7M | 2.4M | 142K |
| 1990s | 9.8M | 1.3M | 5.1M | 2.9M | 346K |
| 2000s | 10.3M | 1.3M | 4.4M | 3.5M | 760K |
| 2010s | 10.6M | 907K | 4.4M | 4.1M | 1.0M |
| 2020* | 707K | 70K | 276K | 261K | 77K |
Source: DHS Yearbook of Immigration Statistics, Table 2. Legal admissions (LPR status) only; excludes undocumented arrivals, visa overstays, and temporary workers. *2020 = one fiscal year only; COVID-19 suppressed totals. FY2021–2024 pace: ~4.3M admissions in four years.
HOW LONG THEY HAVE BEEN HERE.
79% of the unauthorized population arrived before 2010 — more than 8.5 million people with over 13 years in this country. Nearly 4 million have been here more than 20 years, many with no functional connection to the country on their birth certificate. A newer cohort arrived during the 2021–2024 surge with pending asylum cases and temporary status. These two populations are legally and politically distinct. Policy that resolves one rarely resolves the other.
WHAT THEY CONTRIBUTE — AND WHAT THEY COST.
The unauthorized workforce of approximately 8 million contributes an estimated $1.3 trillion to GDP annually and pays roughly $96 billion in taxes they cannot collect. They represent more than 50% of agricultural workers and comparable shares in construction and meatpacking. The costs are real: concentrated in public schools, emergency healthcare, and local services in border communities, with limited federal reimbursement. Critics also point to wage pressure on low-income American workers in industries where unauthorized labor is concentrated — a legitimate economic argument that does not disappear by ignoring it. The net fiscal picture is contested. That debate does not resolve the underlying problem.
FAMILY TIES.
An estimated 5.5 million U.S. citizen children have an undocumented parent. 1.2 million U.S. citizens are married to an undocumented spouse. 660,000 DACA recipients arrived at an average age of 6 and have no meaningful adult life in their birth country. Deportation triggers legal and financial consequences for American citizens — not just for immigrants.
THE COST OF FULL DEPORTATION.
A full-scale removal program is estimated at $967 billion over ten years (American Immigration Council), with a GDP reduction of $1.1 to $1.7 trillion (U.S. Joint Economic Committee). At 4% unemployment, no domestic labor pool exists to replace the workers who would immediately vacate. Florida’s partial enforcement under SB 1718 — without removing a single person — produced $12.6 billion in losses in one year. This is not an argument against enforcement. It is an argument for understanding the full cost before committing to it.
WHAT THE LAW ALLOWS — AND WHO CONTROLS IT.
Immigration status is a federal matter. States and the executive branch can adjust enforcement and processing — but cannot create legal pathways or permanent solutions. That power is Congress’s alone. Congress has not exercised it since 1986.
THE 1986 RECORD.
Reagan’s Immigration Reform and Control Act legalized 2.7 million people and promised mandatory employer verification to stop future unauthorized hiring. The verification system was never funded. Document fraud immediately undermined it. The unauthorized population rebuilt within four years and tripled within two decades. Both parties cite 1986 as proof of their position. Neither has passed something better. That is the 40-year record.
WHAT A LASTING SOLUTION REQUIRES.
Every proposal that has gotten serious bipartisan attention over 20 years has the same architecture: mandatory nationwide employment verification with real enforcement; measurable border outcomes as a trigger, not a promise; and a conditional legal pathway for long-term residents requiring background checks, fines, and demonstrated employment. The most recent version, the DIGNIDAD Act (2025), has 39 co-sponsors across both parties. It has not passed. Executive orders reverse with each administration. Enforcement-only measures reproduce the 1986 outcome. A lasting solution requires binding legislation — the kind neither party has been willing to finalize in 40 years. The status quo is not a policy. It is a decision to keep the problem.
Do your own research. The sources cited are public record — read them, verify the numbers, and reach your own conclusions.
Sources: Pew Research Center · Migration Policy Institute · American Immigration Council · U.S. Joint Economic Committee · FWD.us · DHS Yearbook of Immigration Statistics · CBP · CBO · Congressional Research Service