| Country | Labor force - by occupation |
| Afghanistan | agriculture: 80% industry: 10% services: 10% (2004 est.) |
| Akrotiri | void |
| Albania | agriculture: 58% industry: 15% services: 27% (September 2006 est.) |
| Algeria | agriculture 14%, industry 13.4%, construction and public works 10%, trade 14.6%, government 32%, other 16% (2003 est.) |
| American Samoa | agriculture: 34% industry: 33% services: 33% (1990) |
| Andorra | agriculture: 0.3% industry: 20.8% services: 79% (2007) |
| Angola | agriculture: 85% industry and services: 15% (2003 est.) |
| Anguilla | agriculture/fishing/forestry/mining 4%, manufacturing 3%, construction 18%, transportation and utilities 10%, commerce 36%, services 29% (2000 est.) |
| Antarctica | void |
| Antigua and Barbuda | agriculture: 7% industry: 11% services: 82% (1983) |
| Arctic Ocean | void |
| Argentina | agriculture: 1% industry: 23% services: 76% (2008 est.) |
| Armenia | agriculture: 46.2% industry: 15.6% services: 38.2% (2006 est.) |
| Aruba | agriculture: NA% industry: NA% services: NA% note: most employment is in wholesale and retail trade and repair, followed by hotels and restaurants; oil refining |
| Ashmore and Cartier Islands | void |
| Atlantic Ocean | void |
| Australia | agriculture: 3.6% industry: 21.1% services: 75% (2005 est.) |
| Austria | agriculture: 5.5% industry: 27.5% services: 67% (2005 est.) |
| Azerbaijan | agriculture: 39.3% industry: 12.1% services: 48.6% (2005) |
| Bahamas, The | agriculture 5%, industry 5%, tourism 50%, other services 40% (2005 est.) |