| Country | Exchange rates |
| Sudan |  Sudanese pounds (SDG) per US dollar - 2.8 (2011 est.) 2.31 (2010 est.) 2.3 (2009) 2.1 (2008) 2.06 (2007) |
| Suriname |  Surinamese dollars (SRD) per US dollar - 3.25 (2011 est.) 2.75 (2010 est.) 2.745 (2009) 2.745 (2008) 2.745 (2007) |
| Svalbard |  Norwegian kroner (NOK) per US dollar - 5.432 (2011) 6.044 (2010) 6.288 (2009)
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| Swaziland |  emalangeni per US dollar - 7.3 (2011 est.) 7.32 (2010 est.) 8.42 (2009) 7.75 (2008) 7.4 (2007) |
| Sweden |  Swedish kronor (SEK) per US dollar - 6.35 (2011 est.) 7.2012 (2010 est.) 7.6529 (2009) 6.4074 (2008) 6.7629 (2007) |
| Switzerland |  Swiss francs (CHF) per US dollar - 0.8723 (2011 est.) 1.0429 (2010 est.) 1.0881 (2009) 1.0774 (2008) 1.1973 (2007) |
| Syria |  Syrian pounds (SYP) per US dollar - 47.2 (2011 est.) 46.387 (2010 est.) 46.708 (2009) 46.5281 (2008) 50.0085 (2007) |
| Taiwan |  New Taiwan dollars (TWD) per US dollar - 29.05 (2011 est.) 31.648 (2010 est.) 33.061 (2009) 31.53 (2008) 32.84 (2007) |
| Tajikistan |  Tajikistani somoni (TJS) per US dollar - 4.544 (2011 est.) 4.379 (2010 est.) 4.1428 (2009) 3.4563 (2008) 3.4418 (2007) |
| Tanzania |  Tanzanian shillings (TZS) per US dollar - 1,571.1 (2011 est.) 1,409.3 (2010 est.) 1,320.3 (2009) 1,178.1 (2008) 1,255 (2007) |
| Thailand |  baht per US dollar - 30.18 (2011 est.) 31.686 (2010 est.) 34.286 (2009) 33.37 (2008) 34.52 (2007) |
| Timor-Leste | the US dollar is used |
| Togo |  Communaute Financiere Africaine francs (XOF) per US dollar - 473.7 (2011 est.) 495.28 (2010 est.) 472.19 (2009) 447.81 (2008) 482.71 (2007) |