| 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 | 15.91 | 39.64 |
| 2021 | 18.73 | 43.39 |
| 2022 | 20.14 | 46.77 |
| 2023 | 21.63 | 49.87 |
| 2024 | 22.92 | 52.89 |
| 2025 | 24.37 | 56.03 |
| 2026 | 26.11 | 59.31 |
| 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 | 0.03 | 0.21 | - | - | 0.00217 | - | 95/99 | - |
| 1961 | 0.03 | 0.22 | - | - | 0.00208 | - | 96/100 | - |
| 1962 | 0.04 | 0.23 | - | - | 0.00259 | - | 98/103 | - |
| 1963 | 0.04 | 0.25 | - | - | 0.00240 | - | 98/103 | - |
| 1964 | 0.04 | 0.26 | - | - | 0.00219 | - | 98/103 | - |
| 1965 | 0.05 | 0.28 | - | - | 0.00252 | - | 108/112 | - |
| 1966 | 0.05 | 0.30 | - | - | 0.00232 | - | 109/114 | - |
| 1967 | 0.06 | 0.31 | - | - | 0.00262 | - | 111/117 | - |
| 1968 | 0.07 | 0.35 | - | - | 0.00283 | - | 112/119 | - |
| 1969 | 0.08 | 0.40 | - | - | 0.00293 | - | 111/119 | - |
| 1970 | 0.10 | 0.47 | - | - | 0.00335 | - | 113/125 | - |
| 1971 | 0.13 | 0.59 | - | - | 0.00394 | - | 114/127 | - |
| 1972 | 0.16 | 0.74 | - | - | 0.00420 | - | 113/127 | - |
| 1973 | 0.24 | 0.90 | - | - | 0.00517 | - | 113/127 | - |
| 1974 | 0.31 | 0.98 | - | - | 0.00580 | - | 113/128 | - |
| 1975 | 0.36 | 1.06 | - | - | 0.00605 | - | 114/130 | - |
| 1976 | 0.37 | 1.18 | - | - | 0.00571 | - | 116/131 | - |
| 1977 | 0.45 | 1.32 | - | - | 0.00614 | - | 114/134 | - |
| 1978 | 0.59 | 1.51 | - | - | 0.00683 | - | 112/133 | - |
| 1979 | 0.82 | 1.69 | - | - | 0.00818 | - | 109/134 | - |
| 1980 | 1.06 | 1.89 | - | - | 0.00938 | - | 112/145 | - |
| 1981 | 1.07 | 2.07 | - | - | 0.00915 | - | 114/148 | - |
| 1982 | 1.01 | 2.32 | - | - | 0.00872 | - | 114/149 | - |
| 1983 | 1.17 | 2.62 | - | - | 0.00990 | - | 106/150 | - |
| 1984 | 1.24 | 2.85 | - | - | 0.0101 | - | 107/151 | - |
| 1985 | 1.11 | 3.05 | - | - | 0.00862 | - | 113/153 | - |
| 1986 | 1.39 | 3.30 | - | - | 0.00914 | - | 113/155 | - |
| 1987 | 1.97 | 3.69 | - | - | 0.0114 | - | 110/159 | - |
| 1988 | 2.64 | 4.41 | - | - | 0.0136 | - | 103/162 | - |
| 1989 | 3.08 | 4.98 | - | - | 0.0152 | - | 98/162 | - |
| 1990 | 3.79 | 5.32 | 7.31 | 11.68 | 0.0167 | 0.0250 | 104/176 | 110/161 |
| 1991 | 3.94 | 5.72 | 8.12 | 12.55 | 0.0165 | 0.0263 | 98/171 | 110/163 |
| 1992 | 4.15 | 5.88 | 8.55 | 12.91 | 0.0163 | 0.0265 | 100/175 | 113/166 |
| 1993 | 4.16 | 5.99 | 8.92 | 13.16 | 0.0161 | 0.0265 | 101/178 | 111/167 |
| 1994 | 4.26 | 6.21 | 9.44 | 13.64 | 0.0153 | 0.0266 | 100/182 | 108/169 |
| 1995 | 4.73 | 6.65 | 10.32 | 14.60 | 0.0153 | 0.0275 | 110/191 | 113/179 |
| 1996 | 4.85 | 7.04 | 11.12 | 15.45 | 0.0154 | 0.0280 | 113/191 | 113/179 |
| 1997 | 5.02 | 7.62 | 12.25 | 16.73 | 0.0160 | 0.0291 | 113/191 | 112/181 |
| 1998 | 4.79 | 7.66 | 12.44 | 16.81 | 0.0153 | 0.0286 | 114/193 | 114/181 |
| 1999 | 5.48 | 8.40 | 13.84 | 18.43 | 0.0168 | 0.0304 | 113/195 | 113/182 |
| 2000 | 5.79 | 8.56 | 14.44 | 18.80 | 0.0172 | 0.0295 | 112/200 | 116/189 |
| 2001 | 5.49 | 8.58 | 14.79 | 18.85 | 0.0164 | 0.0288 | 116/200 | 117/190 |
| 2002 | 5.44 | 9.11 | 15.93 | 19.99 | 0.0157 | 0.0296 | 119/205 | 118/191 |
| 2003 | 7.51 | 9.53 | 16.98 | 20.92 | 0.0193 | 0.0299 | 111/205 | 120/191 |
| 2004 | 8.96 | 9.79 | 17.91 | 21.48 | 0.0204 | 0.0292 | 107/205 | 119/192 |
| 2005 | 9.92 | 10.23 | 19.31 | 22.46 | 0.0209 | 0.0292 | 109/205 | 122/192 |
| 2006 | 10.14 | 11.09 | 21.56 | 24.34 | 0.0197 | 0.0298 | 116/206 | 119/193 |
| 2007 | 10.94 | 12.00 | 23.97 | 26.35 | 0.0188 | 0.0306 | 118/206 | 118/193 |
| 2008 | 10.95 | 12.75 | 25.96 | 28.00 | 0.0172 | 0.0313 | 124/205 | 117/194 |
| 2009 | 10.27 | 11.78 | 24.16 | 25.86 | 0.0170 | 0.0288 | 125/205 | 121/195 |
| 2010 | 12.79 | 12.79 | 26.53 | 28.07 | 0.0193 | 0.0297 | 121/206 | 120/195 |
| 2011 | 15.35 | 13.56 | 28.72 | 29.77 | 0.0209 | 0.0302 | 118/208 | 117/196 |
| 2012 | 14.38 | 14.16 | 27.72 | 31.09 | 0.0191 | 0.0277 | 123/207 | 122/194 |
| 2013 | 14.90 | 15.77 | 30.34 | 34.62 | 0.0193 | 0.0289 | 124/208 | 119/196 |
| 2014 | 16.25 | 16.43 | 34.05 | 36.06 | 0.0204 | 0.0312 | 123/208 | 115/195 |
| 2015 | 14.42 | 16.15 | 32.97 | 35.45 | 0.0192 | 0.0296 | 119/207 | 117/195 |
| 2016 | 15.65 | 16.84 | 37.28 | 36.97 | 0.0205 | 0.0322 | 117/206 | 115/194 |
| 2017 | 17.41 | 17.33 | 38.05 | 38.05 | 0.0214 | 0.0312 | 116/206 | 116/194 |
| 2018 | 18.66 | 18.11 | 40.70 | 39.75 | 0.0216 | 0.0314 | 115/206 | 115/193 |
| 2019 | 18.36 | 18.65 | 42.68 | 40.95 | 0.0210 | 0.0315 | 114/199 | 115/192 |
| 2020 | 15.78 | 17.18 | 39.79 | 37.72 | 0.0186 | 0.0300 | 111/176 | 111/177 |