| Source | World Bank : Nominal (current), Nominal (constant), PPP (current), PPP (constant) |
| IMF World Economic Outlook (April-2021) | |
| Date | 02 Sep 2021 |
| Year | GDP (billions of $/Int. $) | |
|---|---|---|
| Nominal | PPP | |
| 2020 | 21.53 | 35.03 |
| 2021 | 22.16 | 36.41 |
| 2022 | 23.28 | 38.77 |
| 2023 | 24.09 | 40.48 |
| 2024 | 24.79 | 41.93 |
| 2025 | 25.50 | 43.39 |
| 2026 | 26.24 | 44.86 |
| Year | GDP Nominal (billions of $) | GDP PPP (billions Int. $) | Share (%) to World | Rank/Total | ||||
|---|---|---|---|---|---|---|---|---|
| Current | Constant (2010) | Current | Constant (2017) | Nominal | PPP | Nominal | PPP | |
| 1960 | 0.54 | 3.40 | - | - | 0.0390 | - | 65/99 | - |
| 1961 | 0.58 | 3.87 | - | - | 0.0403 | - | 64/100 | - |
| 1962 | 0.62 | 3.98 | - | - | 0.0401 | - | 66/103 | - |
| 1963 | 0.68 | 4.20 | - | - | 0.0408 | - | 67/103 | - |
| 1964 | 0.71 | 4.52 | - | - | 0.0389 | - | 67/103 | - |
| 1965 | 0.74 | 4.56 | - | - | 0.0373 | - | 71/112 | - |
| 1966 | 0.72 | 4.74 | - | - | 0.0334 | - | 73/114 | - |
| 1967 | 0.76 | 4.84 | - | - | 0.0331 | - | 74/117 | - |
| 1968 | 0.76 | 5.09 | - | - | 0.0307 | - | 78/119 | - |
| 1969 | 0.78 | 5.23 | - | - | 0.0285 | - | 78/119 | - |
| 1970 | 0.82 | 5.41 | - | - | 0.0274 | - | 76/125 | - |
| 1971 | 0.90 | 5.47 | - | - | 0.0273 | - | 77/127 | - |
| 1972 | 1.08 | 5.79 | - | - | 0.0284 | - | 76/127 | - |
| 1973 | 1.31 | 5.88 | - | - | 0.0282 | - | 75/127 | - |
| 1974 | 2.04 | 6.11 | - | - | 0.0382 | - | 74/128 | - |
| 1975 | 2.44 | 6.20 | - | - | 0.0410 | - | 71/130 | - |
| 1976 | 2.50 | 6.59 | - | - | 0.0386 | - | 76/131 | - |
| 1977 | 3.14 | 7.19 | - | - | 0.0428 | - | 70/134 | - |
| 1978 | 3.56 | 7.92 | - | - | 0.0412 | - | 68/133 | - |
| 1979 | 4.60 | 8.20 | - | - | 0.0459 | - | 66/134 | - |
| 1980 | 6.24 | 9.05 | - | - | 0.0552 | - | 67/145 | - |
| 1981 | 6.99 | 9.47 | - | - | 0.0598 | - | 67/148 | - |
| 1982 | 8.14 | 9.83 | - | - | 0.0703 | - | 62/149 | - |
| 1983 | 7.76 | 8.81 | - | - | 0.0657 | - | 64/150 | - |
| 1984 | 7.76 | 8.31 | - | - | 0.0633 | - | 63/151 | - |
| 1985 | 7.38 | 7.97 | - | - | 0.0573 | - | 64/153 | - |
| 1986 | 4.79 | 7.70 | - | - | 0.0315 | - | 78/155 | - |
| 1987 | 4.80 | 7.35 | - | - | 0.0277 | - | 82/159 | - |
| 1988 | 4.50 | 7.06 | - | - | 0.0232 | - | 86/162 | - |
| 1989 | 4.32 | 7.01 | - | - | 0.0214 | - | 89/162 | - |
| 1990 | 5.07 | 7.11 | 8.62 | 12.31 | 0.0223 | 0.0294 | 93/176 | 105/161 |
| 1991 | 5.31 | 7.33 | 9.19 | 12.69 | 0.0222 | 0.0297 | 89/171 | 106/163 |
| 1992 | 5.44 | 8.07 | 10.35 | 13.97 | 0.0214 | 0.0320 | 92/175 | 105/166 |
| 1993 | 4.67 | 8.02 | 10.52 | 13.88 | 0.0181 | 0.0312 | 98/178 | 106/167 |
| 1994 | 4.95 | 8.30 | 11.13 | 14.38 | 0.0178 | 0.0313 | 97/182 | 105/169 |
| 1995 | 5.33 | 8.62 | 11.80 | 14.92 | 0.0173 | 0.0315 | 106/191 | 110/179 |
| 1996 | 5.76 | 9.24 | 12.87 | 15.99 | 0.0182 | 0.0324 | 107/191 | 110/179 |
| 1997 | 5.74 | 9.93 | 14.08 | 17.19 | 0.0182 | 0.0335 | 108/191 | 110/181 |
| 1998 | 6.04 | 10.74 | 15.39 | 18.59 | 0.0192 | 0.0354 | 109/193 | 108/181 |
| 1999 | 6.81 | 11.60 | 16.87 | 20.08 | 0.0209 | 0.0370 | 103/195 | 108/182 |
| 2000 | 8.15 | 12.40 | 18.43 | 21.47 | 0.0242 | 0.0376 | 100/200 | 107/189 |
| 2001 | 8.82 | 12.92 | 19.62 | 22.36 | 0.0264 | 0.0382 | 96/200 | 107/190 |
| 2002 | 9.01 | 13.94 | 21.52 | 24.13 | 0.0259 | 0.0400 | 98/205 | 104/191 |
| 2003 | 11.31 | 15.96 | 25.08 | 27.62 | 0.0290 | 0.0441 | 94/205 | 102/191 |
| 2004 | 13.28 | 17.22 | 27.80 | 29.82 | 0.0303 | 0.0453 | 94/205 | 100/192 |
| 2005 | 15.98 | 18.29 | 30.45 | 31.67 | 0.0336 | 0.0460 | 93/205 | 101/192 |
| 2006 | 18.37 | 20.71 | 35.51 | 35.85 | 0.0357 | 0.0490 | 93/206 | 99/193 |
| 2007 | 21.64 | 21.69 | 38.20 | 37.55 | 0.0373 | 0.0487 | 97/206 | 101/193 |
| 2008 | 27.87 | 22.43 | 40.27 | 38.83 | 0.0437 | 0.0485 | 90/205 | 102/194 |
| 2009 | 19.17 | 21.45 | 38.79 | 37.12 | 0.0317 | 0.0463 | 103/205 | 102/195 |
| 2010 | 22.16 | 22.16 | 40.55 | 38.36 | 0.0335 | 0.0454 | 102/206 | 104/195 |
| 2011 | 25.43 | 22.09 | 41.27 | 38.24 | 0.0346 | 0.0434 | 102/208 | 104/196 |
| 2012 | 25.76 | 22.37 | 40.43 | 38.73 | 0.0343 | 0.0404 | 103/207 | 106/194 |
| 2013 | 27.27 | 22.87 | 40.69 | 39.59 | 0.0353 | 0.0387 | 104/208 | 106/196 |
| 2014 | 27.62 | 22.66 | 40.46 | 39.23 | 0.0348 | 0.0371 | 103/208 | 106/195 |
| 2015 | 24.96 | 23.00 | 37.54 | 39.81 | 0.0332 | 0.0337 | 102/207 | 111/195 |
| 2016 | 22.39 | 21.71 | 36.35 | 37.58 | 0.0293 | 0.0314 | 105/206 | 116/194 |
| 2017 | 22.39 | 21.06 | 36.46 | 36.46 | 0.0275 | 0.0299 | 110/206 | 119/194 |
| 2018 | 23.68 | 21.08 | 37.36 | 36.48 | 0.0274 | 0.0289 | 110/206 | 121/193 |
| 2019 | 23.21 | 20.81 | 37.55 | 36.03 | 0.0265 | 0.0278 | 111/199 | 122/192 |
| 2020 | 21.53 | 19.18 | 35.03 | 33.21 | 0.0254 | 0.0264 | 102/176 | 121/177 |