| 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 | 18.53 | 63.10 |
| 2021 | 18.96 | 64.64 |
| 2022 | 19.08 | 66.80 |
| 2023 | 19.59 | 69.25 |
| 2024 | 20.29 | 71.80 |
| 2025 | 21.03 | 74.36 |
| 2026 | 21.81 | 76.95 |
| 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 | 0.71 | 4.59 | - | - | 0.0513 | - | 54/99 | - |
| 1961 | 0.70 | 4.66 | - | - | 0.0486 | - | 58/100 | - |
| 1962 | 0.69 | 4.54 | - | - | 0.0446 | - | 62/103 | - |
| 1963 | 0.72 | 4.69 | - | - | 0.0432 | - | 65/103 | - |
| 1964 | 0.84 | 5.26 | - | - | 0.0460 | - | 61/103 | - |
| 1965 | 1.08 | 6.14 | - | - | 0.0544 | - | 56/112 | - |
| 1966 | 1.26 | 5.79 | - | - | 0.0585 | - | 57/114 | - |
| 1967 | 1.37 | 6.25 | - | - | 0.0597 | - | 58/117 | - |
| 1968 | 1.61 | 6.33 | - | - | 0.0650 | - | 57/119 | - |
| 1969 | 1.97 | 6.30 | - | - | 0.0721 | - | 55/119 | - |
| 1970 | 1.83 | 6.61 | - | - | 0.0613 | - | 59/125 | - |
| 1971 | 1.69 | 6.60 | - | - | 0.0512 | - | 62/127 | - |
| 1972 | 1.91 | 7.21 | - | - | 0.0502 | - | 64/127 | - |
| 1973 | 2.27 | 7.14 | - | - | 0.0489 | - | 65/127 | - |
| 1974 | 3.12 | 7.60 | - | - | 0.0584 | - | 61/128 | - |
| 1975 | 2.62 | 7.43 | - | - | 0.0440 | - | 69/130 | - |
| 1976 | 2.75 | 7.89 | - | - | 0.0424 | - | 71/131 | - |
| 1977 | 2.48 | 7.53 | - | - | 0.0338 | - | 79/134 | - |
| 1978 | 2.81 | 7.57 | - | - | 0.0326 | - | 75/133 | - |
| 1979 | 3.33 | 7.34 | - | - | 0.0332 | - | 79/134 | - |
| 1980 | 3.83 | 7.56 | - | - | 0.0339 | - | 83/145 | - |
| 1981 | 3.87 | 8.03 | - | - | 0.0331 | - | 82/148 | - |
| 1982 | 3.99 | 7.80 | - | - | 0.0344 | - | 82/149 | - |
| 1983 | 3.22 | 7.65 | - | - | 0.0273 | - | 86/150 | - |
| 1984 | 2.74 | 7.62 | - | - | 0.0224 | - | 89/151 | - |
| 1985 | 2.28 | 7.75 | - | - | 0.0177 | - | 95/153 | - |
| 1986 | 1.66 | 7.80 | - | - | 0.0109 | - | 107/155 | - |
| 1987 | 2.27 | 8.01 | - | - | 0.0131 | - | 103/159 | - |
| 1988 | 3.71 | 8.52 | - | - | 0.0192 | - | 92/162 | - |
| 1989 | 4.00 | 8.43 | - | - | 0.0198 | - | 92/162 | - |
| 1990 | 3.29 | 8.39 | 11.86 | 17.60 | 0.0145 | 0.0405 | 108/176 | 93/161 |
| 1991 | 3.38 | 8.39 | 12.26 | 17.60 | 0.0141 | 0.0397 | 105/171 | 101/163 |
| 1992 | 3.18 | 8.24 | 12.32 | 17.29 | 0.0125 | 0.0381 | 110/175 | 102/166 |
| 1993 | 3.27 | 8.80 | 13.47 | 18.47 | 0.0126 | 0.0400 | 108/178 | 100/167 |
| 1994 | 3.66 | 8.04 | 12.57 | 16.87 | 0.0132 | 0.0354 | 109/182 | 102/169 |
| 1995 | 3.81 | 8.27 | 13.20 | 17.36 | 0.0123 | 0.0352 | 121/191 | 109/179 |
| 1996 | 3.60 | 8.79 | 14.28 | 18.44 | 0.0114 | 0.0359 | 126/191 | 106/179 |
| 1997 | 4.30 | 9.12 | 15.08 | 19.15 | 0.0137 | 0.0359 | 118/191 | 107/181 |
| 1998 | 3.54 | 9.09 | 15.19 | 19.07 | 0.0113 | 0.0350 | 131/193 | 109/181 |
| 1999 | 3.40 | 9.51 | 16.13 | 19.96 | 0.0104 | 0.0354 | 134/195 | 110/182 |
| 2000 | 3.60 | 9.88 | 17.13 | 20.74 | 0.0107 | 0.0350 | 129/200 | 109/189 |
| 2001 | 4.09 | 10.41 | 18.44 | 21.84 | 0.0122 | 0.0359 | 124/200 | 108/190 |
| 2002 | 4.19 | 10.88 | 19.58 | 22.82 | 0.0121 | 0.0364 | 129/205 | 109/191 |
| 2003 | 4.90 | 11.63 | 21.32 | 24.41 | 0.0126 | 0.0375 | 130/205 | 109/191 |
| 2004 | 6.22 | 12.45 | 23.44 | 26.12 | 0.0142 | 0.0382 | 123/205 | 108/192 |
| 2005 | 8.33 | 13.35 | 25.92 | 28.02 | 0.0175 | 0.0392 | 118/205 | 108/192 |
| 2006 | 12.76 | 14.41 | 28.81 | 30.23 | 0.0248 | 0.0398 | 107/206 | 106/193 |
| 2007 | 14.06 | 15.61 | 32.06 | 32.75 | 0.0242 | 0.0409 | 107/206 | 106/193 |
| 2008 | 17.91 | 16.82 | 35.22 | 35.30 | 0.0281 | 0.0424 | 108/205 | 106/194 |
| 2009 | 15.33 | 18.37 | 38.76 | 38.56 | 0.0254 | 0.0462 | 109/205 | 103/195 |
| 2010 | 20.27 | 20.27 | 43.25 | 42.53 | 0.0306 | 0.0484 | 104/206 | 102/195 |
| 2011 | 23.46 | 21.39 | 46.61 | 44.89 | 0.0319 | 0.0490 | 105/208 | 102/196 |
| 2012 | 25.50 | 23.02 | 49.51 | 48.30 | 0.0339 | 0.0494 | 104/207 | 100/194 |
| 2013 | 28.04 | 24.18 | 53.42 | 50.75 | 0.0363 | 0.0509 | 103/208 | 101/196 |
| 2014 | 27.14 | 25.32 | 54.51 | 53.13 | 0.0342 | 0.0500 | 104/208 | 101/195 |
| 2015 | 21.25 | 26.06 | 54.47 | 54.68 | 0.0282 | 0.0489 | 107/207 | 101/195 |
| 2016 | 20.96 | 27.04 | 55.71 | 56.75 | 0.0274 | 0.0481 | 107/206 | 102/194 |
| 2017 | 25.87 | 27.99 | 58.74 | 58.74 | 0.0318 | 0.0481 | 104/206 | 102/194 |
| 2018 | 26.31 | 29.12 | 62.57 | 61.10 | 0.0305 | 0.0483 | 103/206 | 102/193 |
| 2019 | 23.31 | 29.54 | 64.61 | 61.99 | 0.0266 | 0.0478 | 109/199 | 102/192 |
| 2020 | 19.32 | 28.65 | 63.42 | 60.12 | 0.0228 | 0.0478 | 105/176 | 96/177 |