| 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 | 24.45 | 58.27 |
| 2021 | 27.93 | 62.41 |
| 2022 | 30.52 | 67.68 |
| 2023 | 34.69 | 77.18 |
| 2024 | 38.49 | 85.59 |
| 2025 | 41.51 | 92.50 |
| 2026 | 45.37 | 100.39 |
| 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 | 1.00 | 4.25 | - | - | 0.0722 | - | 51/99 | - |
| 1961 | 1.06 | 4.38 | - | - | 0.0736 | - | 51/100 | - |
| 1962 | 1.09 | 4.37 | - | - | 0.0705 | - | 54/103 | - |
| 1963 | 1.12 | 4.46 | - | - | 0.0673 | - | 54/103 | - |
| 1964 | 1.19 | 4.63 | - | - | 0.0652 | - | 54/103 | - |
| 1965 | 1.21 | 4.69 | - | - | 0.0609 | - | 55/112 | - |
| 1966 | 1.25 | 4.83 | - | - | 0.0580 | - | 58/114 | - |
| 1967 | 1.25 | 4.77 | - | - | 0.0545 | - | 59/117 | - |
| 1968 | 1.31 | 5.07 | - | - | 0.0529 | - | 63/119 | - |
| 1969 | 1.25 | 4.73 | - | - | 0.0458 | - | 65/119 | - |
| 1970 | 1.30 | 5.14 | - | - | 0.0435 | - | 68/125 | - |
| 1971 | 1.34 | 5.13 | - | - | 0.0406 | - | 70/127 | - |
| 1972 | 1.62 | 5.46 | - | - | 0.0426 | - | 68/127 | - |
| 1973 | 1.86 | 5.16 | - | - | 0.0401 | - | 69/127 | - |
| 1974 | 2.10 | 5.37 | - | - | 0.0393 | - | 73/128 | - |
| 1975 | 2.83 | 5.78 | - | - | 0.0475 | - | 67/130 | - |
| 1976 | 2.87 | 6.29 | - | - | 0.0443 | - | 69/131 | - |
| 1977 | 2.94 | 6.12 | - | - | 0.0401 | - | 74/134 | - |
| 1978 | 3.28 | 5.88 | - | - | 0.0380 | - | 71/133 | - |
| 1979 | 4.08 | 6.29 | - | - | 0.0407 | - | 68/134 | - |
| 1980 | 4.51 | 6.54 | - | - | 0.0399 | - | 76/145 | - |
| 1981 | 4.10 | 6.88 | - | - | 0.0351 | - | 80/148 | - |
| 1982 | 4.01 | 7.43 | - | - | 0.0346 | - | 81/149 | - |
| 1983 | 3.57 | 7.01 | - | - | 0.0302 | - | 83/150 | - |
| 1984 | 3.49 | 7.29 | - | - | 0.0285 | - | 86/151 | - |
| 1985 | 3.82 | 7.54 | - | - | 0.0297 | - | 80/153 | - |
| 1986 | 5.39 | 7.78 | - | - | 0.0354 | - | 76/155 | - |
| 1987 | 6.49 | 8.27 | - | - | 0.0375 | - | 75/159 | - |
| 1988 | 6.42 | 8.20 | - | - | 0.0332 | - | 75/162 | - |
| 1989 | 6.37 | 8.52 | - | - | 0.0315 | - | 75/162 | - |
| 1990 | 7.39 | 8.46 | 11.69 | 18.61 | 0.0325 | 0.0399 | 81/176 | 95/161 |
| 1991 | 7.26 | 8.69 | 12.41 | 19.11 | 0.0303 | 0.0402 | 78/171 | 100/163 |
| 1992 | 7.77 | 8.80 | 12.86 | 19.36 | 0.0305 | 0.0398 | 79/175 | 99/166 |
| 1993 | 7.37 | 8.92 | 13.34 | 19.62 | 0.0285 | 0.0396 | 81/178 | 101/167 |
| 1994 | 5.03 | 8.92 | 13.62 | 19.61 | 0.0181 | 0.0383 | 96/182 | 99/169 |
| 1995 | 6.33 | 9.40 | 14.67 | 20.68 | 0.0205 | 0.0391 | 99/191 | 103/179 |
| 1996 | 6.56 | 9.59 | 15.24 | 21.10 | 0.0208 | 0.0383 | 100/191 | 105/179 |
| 1997 | 6.04 | 9.89 | 15.97 | 21.75 | 0.0192 | 0.0380 | 107/191 | 104/181 |
| 1998 | 6.51 | 10.47 | 17.11 | 23.03 | 0.0207 | 0.0394 | 103/193 | 103/181 |
| 1999 | 6.63 | 11.13 | 18.44 | 24.47 | 0.0203 | 0.0404 | 104/195 | 103/182 |
| 2000 | 6.05 | 11.56 | 19.59 | 25.43 | 0.0180 | 0.0400 | 110/200 | 104/189 |
| 2001 | 6.54 | 12.06 | 20.88 | 26.52 | 0.0196 | 0.0407 | 107/200 | 105/190 |
| 2002 | 7.04 | 12.07 | 21.23 | 26.54 | 0.0203 | 0.0395 | 108/205 | 105/191 |
| 2003 | 8.81 | 12.74 | 22.83 | 28.03 | 0.0226 | 0.0402 | 103/205 | 104/191 |
| 2004 | 10.13 | 13.33 | 24.54 | 29.33 | 0.0231 | 0.0400 | 103/205 | 105/192 |
| 2005 | 11.07 | 13.91 | 26.39 | 30.59 | 0.0233 | 0.0399 | 105/205 | 106/192 |
| 2006 | 11.74 | 14.23 | 27.82 | 31.30 | 0.0228 | 0.0384 | 109/206 | 110/193 |
| 2007 | 14.01 | 14.63 | 29.38 | 32.19 | 0.0241 | 0.0375 | 108/206 | 112/193 |
| 2008 | 16.85 | 15.17 | 31.06 | 33.38 | 0.0264 | 0.0374 | 109/205 | 111/194 |
| 2009 | 16.15 | 15.59 | 32.16 | 34.30 | 0.0267 | 0.0383 | 108/205 | 110/195 |
| 2010 | 16.12 | 16.12 | 33.63 | 35.46 | 0.0244 | 0.0376 | 110/206 | 109/195 |
| 2011 | 17.81 | 16.34 | 34.79 | 35.94 | 0.0242 | 0.0366 | 114/208 | 109/196 |
| 2012 | 17.66 | 16.99 | 36.71 | 37.37 | 0.0235 | 0.0367 | 115/207 | 109/194 |
| 2013 | 18.92 | 17.40 | 37.80 | 38.28 | 0.0245 | 0.0360 | 113/208 | 109/196 |
| 2014 | 19.80 | 18.48 | 40.12 | 40.66 | 0.0249 | 0.0368 | 112/208 | 107/195 |
| 2015 | 17.77 | 19.66 | 43.32 | 43.25 | 0.0236 | 0.0389 | 113/207 | 107/195 |
| 2016 | 19.04 | 20.91 | 46.12 | 46.00 | 0.0249 | 0.0398 | 113/206 | 108/194 |
| 2017 | 21.00 | 22.46 | 49.40 | 49.40 | 0.0258 | 0.0405 | 112/206 | 108/194 |
| 2018 | 23.12 | 23.85 | 53.73 | 52.47 | 0.0268 | 0.0415 | 112/206 | 108/193 |
| 2019 | 23.31 | 24.90 | 57.10 | 54.78 | 0.0266 | 0.0422 | 110/199 | 108/192 |
| 2020 | 24.91 | 25.12 | 58.29 | 55.26 | 0.0294 | 0.0439 | 96/176 | 99/177 |