| Country | Labor force - by occupation |
| Afghanistan | agriculture: 78.6% industry: 5.7% services: 15.7% (FY08/09 est.) |
| Akrotiri | void |
| Albania | agriculture: 47.8% industry: 23% services: 29.2% (September 2010 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: 0.4% industry: 4.7% services: 94.9% (2010) |
| 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: 5% industry: 23% services: 72% (2009 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 |
| Ashmore and Cartier Islands | void |
| Atlantic Ocean | void |
| Australia | agriculture: 3.6% industry: 21.1% services: 75% (2009 est.) |
| Austria | agriculture: 5.5% industry: 27.5% services: 67% (2009 est.) |