| 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 | 12.02 | 28.73 |
| 2021 | 15.28 | 29.73 |
| 2022 | 14.82 | 31.18 |
| 2023 | 14.78 | 32.62 |
| 2024 | 15.04 | 34.02 |
| 2025 | 15.36 | 35.41 |
| 2026 | 15.74 | 36.81 |
| 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 | - | - | - | - | - | - | - | - |
| 1961 | - | - | - | - | - | - | - | - |
| 1962 | - | - | - | - | - | - | - | - |
| 1963 | - | - | - | - | - | - | - | - |
| 1964 | - | - | - | - | - | - | - | - |
| 1965 | 0.11 | - | - | - | 0.00554 | - | 103/112 | - |
| 1966 | 0.13 | - | - | - | 0.00603 | - | 103/114 | - |
| 1967 | 0.14 | - | - | - | 0.00610 | - | 106/117 | - |
| 1968 | 0.16 | - | - | - | 0.00646 | - | 108/119 | - |
| 1969 | 0.16 | - | - | - | 0.00586 | - | 109/119 | - |
| 1970 | 0.18 | - | - | - | 0.00603 | - | 111/125 | - |
| 1971 | 0.20 | - | - | - | 0.00606 | - | 112/127 | - |
| 1972 | 0.27 | - | - | - | 0.00709 | - | 108/127 | - |
| 1973 | 0.43 | - | - | - | 0.00927 | - | 102/127 | - |
| 1974 | 1.07 | 7.08 | - | - | 0.0200 | - | 86/128 | - |
| 1975 | 1.17 | 7.10 | - | - | 0.0196 | - | 87/130 | - |
| 1976 | 1.42 | 8.53 | - | - | 0.0219 | - | 87/131 | - |
| 1977 | 1.73 | 9.46 | - | - | 0.0236 | - | 85/134 | - |
| 1978 | 1.94 | 10.11 | - | - | 0.0225 | - | 87/133 | - |
| 1979 | 2.80 | 12.39 | - | - | 0.0279 | - | 83/134 | - |
| 1980 | 4.93 | 11.52 | - | - | 0.0436 | - | 72/145 | - |
| 1981 | 4.37 | 9.24 | - | - | 0.0374 | - | 78/148 | - |
| 1982 | 4.26 | 9.60 | - | - | 0.0368 | - | 79/149 | - |
| 1983 | 3.84 | 9.65 | - | - | 0.0325 | - | 80/150 | - |
| 1984 | 3.78 | 9.71 | - | - | 0.0308 | - | 81/151 | - |
| 1985 | 3.52 | 9.56 | - | - | 0.0273 | - | 84/153 | - |
| 1986 | 2.36 | 9.30 | - | - | 0.0155 | - | 95/155 | - |
| 1987 | 2.75 | 9.49 | - | - | 0.0159 | - | 96/159 | - |
| 1988 | 2.69 | 9.59 | - | - | 0.0139 | - | 101/162 | - |
| 1989 | 2.99 | 9.49 | - | - | 0.0148 | - | 101/162 | - |
| 1990 | 3.52 | 9.59 | 14.47 | 18.43 | 0.0155 | 0.0494 | 106/176 | 88/161 |
| 1991 | 3.70 | 9.90 | 15.43 | 19.01 | 0.0155 | 0.0499 | 102/171 | 90/163 |
| 1992 | 4.18 | 10.37 | 16.53 | 19.91 | 0.0164 | 0.0512 | 99/175 | 92/166 |
| 1993 | 4.11 | 10.40 | 16.97 | 19.97 | 0.0159 | 0.0503 | 102/178 | 92/167 |
| 1994 | 4.09 | 10.72 | 17.88 | 20.60 | 0.0147 | 0.0503 | 103/182 | 91/169 |
| 1995 | 4.73 | 11.21 | 19.07 | 21.52 | 0.0153 | 0.0508 | 109/191 | 95/179 |
| 1996 | 5.12 | 11.53 | 19.98 | 22.14 | 0.0162 | 0.0503 | 111/191 | 96/179 |
| 1997 | 5.20 | 11.36 | 20.02 | 21.82 | 0.0165 | 0.0476 | 111/191 | 99/181 |
| 1998 | 4.05 | 11.29 | 20.14 | 21.70 | 0.0129 | 0.0463 | 122/193 | 99/181 |
| 1999 | 4.60 | 11.64 | 21.05 | 22.36 | 0.0141 | 0.0462 | 119/195 | 101/182 |
| 2000 | 6.00 | 11.97 | 22.14 | 23.00 | 0.0178 | 0.0452 | 111/200 | 101/189 |
| 2001 | 5.60 | 12.30 | 23.24 | 23.63 | 0.0167 | 0.0453 | 115/200 | 101/190 |
| 2002 | 5.84 | 12.78 | 24.52 | 24.54 | 0.0168 | 0.0456 | 117/205 | 101/191 |
| 2003 | 6.56 | 13.15 | 25.70 | 25.25 | 0.0168 | 0.0452 | 115/205 | 100/191 |
| 2004 | 7.87 | 13.21 | 26.53 | 25.38 | 0.0179 | 0.0432 | 115/205 | 102/192 |
| 2005 | 9.53 | 13.26 | 27.46 | 25.48 | 0.0200 | 0.0415 | 114/205 | 105/192 |
| 2006 | 11.47 | 13.85 | 29.54 | 26.60 | 0.0223 | 0.0408 | 110/206 | 105/193 |
| 2007 | 12.25 | 13.87 | 30.38 | 26.64 | 0.0211 | 0.0387 | 115/206 | 108/193 |
| 2008 | 14.39 | 13.60 | 30.37 | 26.13 | 0.0226 | 0.0366 | 114/205 | 114/194 |
| 2009 | 10.73 | 13.36 | 30.06 | 25.66 | 0.0178 | 0.0358 | 123/205 | 112/195 |
| 2010 | 13.71 | 13.71 | 31.20 | 26.33 | 0.0207 | 0.0349 | 118/206 | 112/195 |
| 2011 | 18.53 | 14.22 | 33.04 | 27.32 | 0.0252 | 0.0347 | 111/208 | 113/196 |
| 2012 | 19.05 | 14.35 | 35.21 | 27.57 | 0.0253 | 0.0352 | 112/207 | 111/194 |
| 2013 | 18.09 | 14.05 | 33.89 | 26.98 | 0.0234 | 0.0323 | 117/208 | 116/196 |
| 2014 | 17.10 | 13.69 | 33.34 | 26.30 | 0.0215 | 0.0306 | 121/208 | 116/195 |
| 2015 | 12.93 | 13.64 | 25.95 | 26.20 | 0.0172 | 0.0233 | 126/207 | 131/195 |
| 2016 | 11.40 | 13.30 | 23.63 | 25.55 | 0.0149 | 0.0204 | 133/206 | 139/194 |
| 2017 | 12.13 | 13.48 | 25.89 | 25.89 | 0.0149 | 0.0212 | 135/206 | 136/194 |
| 2018 | 13.57 | 13.49 | 26.53 | 25.90 | 0.0157 | 0.0205 | 133/206 | 138/193 |
| 2019 | 13.47 | 14.01 | 28.04 | 26.91 | 0.0154 | 0.0207 | 134/199 | 138/192 |
| 2020 | 12.02 | 14.18 | 28.73 | 27.23 | 0.0142 | 0.0217 | 127/176 | 129/177 |