| 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 | 7.50 | 18.22 |
| 2021 | 8.63 | 19.20 |
| 2022 | 9.36 | 20.52 |
| 2023 | 10.10 | 22.03 |
| 2024 | 10.94 | 23.73 |
| 2025 | 11.83 | 25.53 |
| 2026 | 12.79 | 27.44 |
| 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 | 0.12 | 0.59 | - | - | 0.00867 | - | 87/99 | - |
| 1961 | 0.13 | 0.66 | - | - | 0.00903 | - | 88/100 | - |
| 1962 | 0.13 | 0.69 | - | - | 0.00841 | - | 90/103 | - |
| 1963 | 0.14 | 0.72 | - | - | 0.00841 | - | 90/103 | - |
| 1964 | 0.17 | 0.83 | - | - | 0.00932 | - | 90/103 | - |
| 1965 | 0.19 | 0.95 | - | - | 0.00957 | - | 94/112 | - |
| 1966 | 0.22 | 1.04 | - | - | 0.0102 | - | 95/114 | - |
| 1967 | 0.23 | 1.10 | - | - | 0.0100 | - | 97/117 | - |
| 1968 | 0.24 | 1.16 | - | - | 0.00969 | - | 99/119 | - |
| 1969 | 0.27 | 1.28 | - | - | 0.00988 | - | 96/119 | - |
| 1970 | 0.25 | 1.32 | - | - | 0.00837 | - | 104/125 | - |
| 1971 | 0.29 | 1.32 | - | - | 0.00879 | - | 104/127 | - |
| 1972 | 0.34 | 1.42 | - | - | 0.00893 | - | 102/127 | - |
| 1973 | 0.41 | 1.47 | - | - | 0.00884 | - | 105/127 | - |
| 1974 | 0.56 | 1.54 | - | - | 0.0105 | - | 99/128 | - |
| 1975 | 0.62 | 1.58 | - | - | 0.0104 | - | 103/130 | - |
| 1976 | 0.62 | 1.55 | - | - | 0.00957 | - | 106/131 | - |
| 1977 | 0.78 | 1.65 | - | - | 0.0106 | - | 100/134 | - |
| 1978 | 0.82 | 1.84 | - | - | 0.00950 | - | 106/133 | - |
| 1979 | 0.89 | 1.74 | - | - | 0.00887 | - | 108/134 | - |
| 1980 | 1.14 | 2.00 | - | - | 0.0101 | - | 109/145 | - |
| 1981 | 0.96 | 1.93 | - | - | 0.00821 | - | 117/148 | - |
| 1982 | 0.82 | 1.86 | - | - | 0.00708 | - | 119/149 | - |
| 1983 | 0.77 | 1.76 | - | - | 0.00652 | - | 120/150 | - |
| 1984 | 0.72 | 1.86 | - | - | 0.00588 | - | 123/151 | - |
| 1985 | 0.76 | 1.96 | - | - | 0.00590 | - | 125/153 | - |
| 1986 | 1.06 | 1.99 | - | - | 0.00697 | - | 123/155 | - |
| 1987 | 1.25 | 2.00 | - | - | 0.00722 | - | 120/159 | - |
| 1988 | 1.38 | 2.13 | - | - | 0.00713 | - | 125/162 | - |
| 1989 | 1.35 | 2.22 | - | - | 0.00668 | - | 124/162 | - |
| 1990 | 1.63 | 2.22 | 3.15 | 6.75 | 0.00716 | 0.0108 | 135/176 | 130/161 |
| 1991 | 1.60 | 2.20 | 3.23 | 6.70 | 0.00669 | 0.0105 | 130/171 | 132/163 |
| 1992 | 1.69 | 2.11 | 3.17 | 6.43 | 0.00664 | 0.00981 | 130/175 | 135/166 |
| 1993 | 1.23 | 1.79 | 2.76 | 5.46 | 0.00476 | 0.00819 | 141/178 | 139/167 |
| 1994 | 0.98 | 2.06 | 3.24 | 6.28 | 0.00353 | 0.00912 | 149/182 | 138/169 |
| 1995 | 1.31 | 2.22 | 3.56 | 6.77 | 0.00424 | 0.00949 | 155/191 | 146/179 |
| 1996 | 1.47 | 2.42 | 3.95 | 7.37 | 0.00466 | 0.00994 | 153/191 | 146/179 |
| 1997 | 1.50 | 2.77 | 4.60 | 8.43 | 0.00477 | 0.0109 | 155/191 | 144/181 |
| 1998 | 1.59 | 2.71 | 4.54 | 8.24 | 0.00506 | 0.0104 | 154/193 | 144/181 |
| 1999 | 1.58 | 2.77 | 4.72 | 8.44 | 0.00485 | 0.0104 | 152/195 | 145/182 |
| 2000 | 1.49 | 2.75 | 4.79 | 8.37 | 0.00443 | 0.00978 | 156/200 | 149/189 |
| 2001 | 1.48 | 2.77 | 4.93 | 8.44 | 0.00442 | 0.00960 | 157/200 | 150/190 |
| 2002 | 1.71 | 2.88 | 5.20 | 8.77 | 0.00492 | 0.00966 | 159/205 | 150/191 |
| 2003 | 2.12 | 3.07 | 5.66 | 9.35 | 0.00544 | 0.00996 | 157/205 | 150/191 |
| 2004 | 2.26 | 3.04 | 5.75 | 9.26 | 0.00515 | 0.00936 | 160/205 | 152/192 |
| 2005 | 2.28 | 2.90 | 5.65 | 8.83 | 0.00480 | 0.00854 | 164/205 | 152/192 |
| 2006 | 2.35 | 2.98 | 5.98 | 9.06 | 0.00456 | 0.00826 | 168/206 | 153/193 |
| 2007 | 2.66 | 2.94 | 6.07 | 8.96 | 0.00458 | 0.00774 | 167/206 | 156/193 |
| 2008 | 3.32 | 3.06 | 6.44 | 9.32 | 0.00521 | 0.00775 | 164/205 | 156/194 |
| 2009 | 3.38 | 3.23 | 6.85 | 9.84 | 0.00559 | 0.00817 | 164/205 | 153/195 |
| 2010 | 3.43 | 3.43 | 7.35 | 10.44 | 0.00518 | 0.00823 | 165/206 | 153/195 |
| 2011 | 3.87 | 3.65 | 7.98 | 11.11 | 0.00527 | 0.00838 | 163/208 | 153/196 |
| 2012 | 3.87 | 3.89 | 8.31 | 11.83 | 0.00515 | 0.00830 | 165/207 | 154/194 |
| 2013 | 4.32 | 4.13 | 8.87 | 12.56 | 0.00559 | 0.00844 | 163/208 | 155/196 |
| 2014 | 4.57 | 4.37 | 9.48 | 13.30 | 0.00575 | 0.00869 | 162/208 | 155/195 |
| 2015 | 4.18 | 4.62 | 10.23 | 14.06 | 0.00556 | 0.00918 | 162/207 | 152/195 |
| 2016 | 6.03 | 4.88 | 14.68 | 14.85 | 0.00789 | 0.0127 | 153/206 | 147/194 |
| 2017 | 6.40 | 5.09 | 15.49 | 15.49 | 0.00787 | 0.0127 | 154/206 | 147/194 |
| 2018 | 7.11 | 5.34 | 16.65 | 16.26 | 0.00823 | 0.0129 | 152/206 | 147/193 |
| 2019 | 7.22 | 5.63 | 17.88 | 17.15 | 0.00824 | 0.0132 | 151/199 | 147/192 |
| 2020 | 7.57 | 5.73 | 18.41 | 17.45 | 0.00894 | 0.0139 | 141/176 | 142/177 |