| Rank | Country | Labor force |
221 | Pitcairn Islands | 15 able-bodied men (2004) |
32 | Poland | 16.86 million (2007 est.) |
64 | Portugal |  5.618 million (2007 est.) |
129 | Puerto Rico | 1.3 million (2000) |
139 | Qatar |  881,000 (2007 est.) |
49 | Romania |  9.3 million (2007 est.) |
6 | Russia |  75.1 million (2007 est.) |
77 | Rwanda | 4.6 million (2000) |
| Saint Barthelemy | void |
217 | Saint Helena | 2,486 note: 1,200 work offshore (1998 est.) |
202 | Saint Kitts and Nevis | 18,170 (June 1995) |
183 | Saint Lucia | 43,800 (2001 est.) |
| Saint Martin | void |
215 | Saint Pierre and Miquelon | 3,450 (2005) |
186 | Saint Vincent and the Grenadines | 41,680 (1991 est.) |
172 | Samoa | 90,000 (2000 est.) |
201 | San Marino | 20,470 (2004) |
192 | Sao Tome and Principe | 35,050 (1991) |
62 | Saudi Arabia | 6.563 million note: about one-third of the population in the 15-64 age group is non-national (2007 est.) |
75 | Senegal | 4.85 million (2007 est.) |
97 | Serbia | 2.961 million (2002 est.) |
189 | Seychelles | 39,560 (2006) |
125 | Sierra Leone | 1.369 million (1981 est.) |
103 | Singapore | 2.751 million (2007 est.) |
106 | Slovakia |  2.654 million (2007 est.) |
136 | Slovenia | 925,000 (2007 est.) |
159 | Solomon Islands | 249,200 (1999) |
89 | Somalia | 3.7 million (few skilled laborers) (1975) |
28 | South Africa | 20.49 million economically active (2007 est.) |
| South Georgia and the South Sandwich Islands | void |
| Southern Ocean | void |
24 | Spain | 22.19 million (2007 est.) |
| Spratly Islands | void |
52 | Sri Lanka |  7.489 million (2007 est.) |
53 | Sudan | 7.415 million (1996 est.) |
165 | Suriname | 156,700 (2004) |
| Svalbard | NA |
153 | Swaziland | 300,000 (2006) |