Published July 1, 2025
Immigration Trends Over the Last Decade: What the Data Shows
US immigration has experienced significant shifts over the past decade, from record-high visa demand to pandemic-era shutdowns and recovery. USCIS and DHS data reveal patterns in legal immigration volumes, visa processing, and demographic composition that define the current landscape.
Green Card Issuance Trends
Annual green card issuances have fluctuated around the statutory ceiling of approximately 1 million per year, but actual numbers have varied due to processing capacity and policy changes. The pandemic years of 2020-2021 saw significant drops in immigrant visa issuances, particularly for consular-processed cases where embassies were closed.
Recovery has been uneven across categories. Employment-based green cards benefited from temporary policy changes that allowed unused family-based visas to be reallocated, resulting in historically high EB issuances in FY 2022-2023. Family-based categories have been slower to recover due to interview backlogs at consulates.
See the top countries ranking for current data on immigration volumes by country of origin.
Temporary Worker Visa Growth
The most dramatic growth has been in temporary worker categories. Department of Labor data shows H-2A agricultural worker certifications more than doubled over the decade, reflecting labor shortages in agriculture. H-2B seasonal worker visas have also grown, repeatedly hitting the annual cap months ahead of schedule.
H-1B registrations have surged from approximately 236,000 in FY 2020 to over 750,000 by FY 2024, though the beneficiary-centric selection system implemented in FY 2025 reduced unique registrations significantly. See our H-1B lottery odds analysis for details.
Processing Time Trends
USCIS processing times have been a persistent challenge. Many form types saw processing times double or triple compared to pre-pandemic levels. The agency has made progress in reducing backlogs for certain forms, notably the employment authorization document (I-765) which improved from 10+ month waits to more manageable timeframes.
However, other categories remain significantly backlogged. I-485 adjustment of status processing times still vary widely by field office, and the immigration court backlog has grown to over 3 million pending cases.
Demographic Shifts
Source country composition has gradually shifted. While Mexico, India, and China remain the top three, growing proportions of immigrants are coming from sub-Saharan Africa, Central America, and South Asia. The diversity visa program has been a significant pathway for African immigrants in particular.
Age demographics show a trend toward younger immigrants in employment categories, while family-based immigration continues to span all age groups. The data shows increasing numbers of immigrants with advanced degrees, reflecting the growing role of employment-based pathways.
Frequently Asked Questions
Legal immigration to the US has generally trended upward over the past decade, though with significant disruption during 2020-2021 due to the pandemic. Temporary worker visa issuances have seen the strongest growth, while green card numbers have remained near the statutory ceiling with annual fluctuations.
The pandemic caused dramatic disruptions including embassy closures, travel bans, processing suspensions, and a pause in certain visa categories. Green card issuances dropped approximately 30% in FY 2020. Recovery took several years, with some categories not returning to pre-pandemic levels until 2023-2024.
According to Census Bureau data, approximately 14-15% of the US population is foreign-born, the highest share since the early 1900s. This includes both immigrants (green card holders and naturalized citizens) and nonimmigrants (temporary visa holders).
/methodology