In brief
The United States is the world's largest economy by nominal GDP and the most globally-referenced migration destination, with output distributed across a dense network of metropolitan economies — New York (finance and media), Los Angeles (entertainment and trade), Chicago (financial services and manufacturing), Houston (energy), the Bay Area and Seattle (technology), Boston (life sciences and academia), Washington DC (federal government and contracting), Dallas and Atlanta (logistics and services). The economy is 70% services by output, with sectoral dominance in finance, technology, healthcare, aerospace, entertainment, and agriculture. English is the de facto language of government and business; there is no federal official language.
For international workers the US immigration system is structurally distinct from most peers — complex, statute-bound, with high litigation exposure and substantial backlogs. The primary employment-based routes are the H-1B visa (specialty occupations, 85,000/year cap split into 65,000 regular and 20,000 US-master's-exemption), the O-1 visa (extraordinary ability, uncapped), the L-1 visa (intracompany transferees), the EB-series green cards (EB-1 extraordinary ability, EB-2 advanced degree, EB-3 skilled worker, EB-5 investor), and the Diversity Visa (DV) lottery. Country-of-chargeability caps create multi-decade green-card backlogs for Indian and Chinese nationals in EB-2/EB-3.
US immigration has undergone sharp policy compression since January 2025. The second Trump administration has replaced the H-1B lottery with a weighted (wage-based) selection system effective February 2026, imposed a US$100,000 additional fee per H-1B petition (September 2025), and issued a Presidential Proclamation restricting entry of certain non-immigrant workers. Litigation and regulatory revision are continuing. Movers to the US should monitor the freshness tracker carefully — the operational reality at ports of entry, USCIS service centers, and Department of State consular posts is shifting faster than published regulation suggests.
Demographics
Demographics
United States has a population of 340,110,988, of which 80% live in urban areas. People aged 65 and over make up 17.9% of the population against a fertility rate of 1.63 births per woman — well below the 2.1 replacement rate.
340,110,988World Bank · 2024Population
80.1%World Bank · 2024Urban share
17.9%World Bank · 2024Aged 65+
78.9 yrsWorld Bank · 2024Life expectancy
1.63World Bank · 2024Fertility rate
Official language is English. The country's demographic profile, like most of western Europe, is aging — the 65-plus share is roughly double what it was in the 1970s and still climbing. Net migration is the main source of population growth.
Sources: World Bank Open Data ↗ · UN Population Division ↗
Sources: World Bank Open Data · United Nations Population Division · national statistical office.
Visa & immigration
Visa & immigration
Not legal advice. Every figure below links to its official government source. Rules change; verify the specific threshold, processing time, and eligibility for your case before applying.
H-1B Specialty Occupation
Qualified foreign workers in roles requiring a US bachelor's degree or equivalent.
No salary floor · 36 months initial · path to permanent · 8–32 weeks processing
The primary US work visa for specialty occupations. 85,000 annual cap (65,000 regular + 20,000 US-master's-exemption); subject to annual registration selection. From FY2027 (registration March 2026) the lottery is replaced by a weighted selection prioritising higher wage levels. Additional US$100,000 fee per petition from September 2025 under Presidential Proclamation. 3-year initial validity; renewable to 6 years (longer if green-card process is in progress).
Requirements
- US bachelor's degree or equivalent for the specialty
- US employer petition (Form I-129)
- Labor Condition Application (LCA) certified by DOL
- Successful H-1B cap registration (if cap-subject)
- $100,000 fee (post-September 2025)
Verified 2026-04-19 · Source:
USCIS — US Citizenship and Immigration Services ↗
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O-1 Extraordinary Ability
Individuals with extraordinary ability in sciences, arts, education, business, or athletics.
No salary floor · 36 months initial · path to permanent · 4–16 weeks processing
Uncapped work visa for individuals of extraordinary ability (O-1A: sciences, education, business, athletics; O-1B: arts, motion picture, television). Requires either a single-criterion achievement (major internationally-recognised award) or at least three of eight listed criteria (awards, published material, judging, original contributions, etc.). Initial 3-year validity; renewable in 1-year increments. No prior residence requirement; path to EB-1A green card for qualifying applicants.
Requirements
- Demonstrated extraordinary ability (major award OR 3+ of 8 criteria)
- US employer or agent petition
- Consultation letter from peer group (varies by field)
- Contract or summary of engagements in the US
Verified 2026-04-19 · Source:
USCIS — US Citizenship and Immigration Services ↗
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L-1 Intracompany Transferee
Managers, executives, and specialised-knowledge workers transferred from non-US branches.
No salary floor · 36 months initial · path to permanent · 8–24 weeks processing
For employees of multinational companies with qualifying non-US operations being transferred to a US branch, affiliate, or subsidiary. L-1A for managers and executives (up to 7 years); L-1B for specialised-knowledge workers (up to 5 years). Requires at least 1 year of continuous employment with the foreign entity in the preceding 3 years. Often used as a green-card on-ramp via EB-1C.
Requirements
- 1+ year continuous employment with qualifying foreign entity in past 3 years
- Role as manager, executive, or specialised-knowledge worker
- Qualifying relationship between US and foreign entity
- US employer petition
Verified 2026-04-19 · Source:
USCIS — US Citizenship and Immigration Services ↗
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EB-2 National Interest Waiver (NIW)
Advanced-degree professionals with work in the US national interest.
No salary floor · 120 months initial · path to permanent · 52–312 weeks processing
Employment-based green card category 2 where the applicant self-petitions without a job offer or labour certification by demonstrating their work substantially benefits the US (Matter of Dhanasar 2016 three-prong test). Increasingly popular post-2022 for founders, researchers, and specialised professionals. Country-of-chargeability backlogs apply — approximately 2-6 years for rest-of-world applicants; much longer for India and China.
Requirements
- Advanced degree (master's+) OR exceptional ability evidence
- Proposed endeavour of substantial merit and national importance
- Well-positioned to advance the proposed endeavour
- National interest waiver of labour certification
Verified 2026-04-19 · Source:
USCIS — US Citizenship and Immigration Services ↗
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EB-5 Immigrant Investor
Investors committing US$1.05M (or US$800k in TEA) to US enterprises creating jobs.
No salary floor · 120 months initial · path to permanent · 52–208 weeks processing
Reformed by the EB-5 Reform and Integrity Act (2022). Minimum investment US$1,050,000 standard or US$800,000 in a Targeted Employment Area (TEA). Must create at least 10 full-time US jobs. Set-aside categories for rural (20%), high-unemployment TEA (10%), and infrastructure (2%) offer shorter processing and conditional-PR pathways for qualifying applicants. Post-2024 emphasis on set-aside categories due to broader backlog.
Requirements
- Minimum $1.05M investment ($800k in TEA, including rural / high-unemployment)
- Creation or preservation of 10+ full-time US jobs
- At-risk investment in approved enterprise
- Lawful source-of-funds documentation
Verified 2026-04-19 · Source:
USCIS — US Citizenship and Immigration Services ↗
· share your experience
Diversity Visa (DV Lottery)
Nationals of countries with low US immigration volume in the prior 5 years.
No salary floor · 120 months initial · path to permanent · 30–52 weeks processing
50,000 diversity visas annually allocated by lottery to nationals of qualifying countries (those with < 50,000 US immigrants in the past 5 years). Excludes nationals of high-volume countries (Canada, UK, Mexico, India, China, Philippines, Brazil, and others vary annually). Requires high-school education or equivalent plus 2+ years in a qualifying occupation. Annual registration October-November; results the following May.
Requirements
- National of a DV-eligible country (list published annually)
- High-school education or equivalent OR 2+ years qualifying work experience
- Registration in the annual DV-lottery window
- Selection in the lottery (random draw)
Verified 2026-04-19 · Source:
US Department of State — Bureau of Consular Affairs ↗
· share your experience
Primary sources cited per row; every figure links to the issuing authority.