| 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 | 15.46 | 36.37 |
| 2021 | 16.34 | 39.09 |
| 2022 | 17.43 | 42.08 |
| 2023 | 18.63 | 45.18 |
| 2024 | 19.89 | 48.41 |
| 2025 | 21.26 | 51.81 |
| 2026 | 22.73 | 55.39 |
| 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 | - | - | - | - | - | - | - | - |
| 1961 | - | - | - | - | - | - | - | - |
| 1962 | - | - | - | - | - | - | - | - |
| 1963 | - | - | - | - | - | - | - | - |
| 1964 | - | - | - | - | - | - | - | - |
| 1965 | - | - | - | - | - | - | - | - |
| 1966 | - | - | - | - | - | - | - | - |
| 1967 | - | - | - | - | - | - | - | - |
| 1968 | - | - | - | - | - | - | - | - |
| 1969 | - | - | - | - | - | - | - | - |
| 1970 | - | - | - | - | - | - | - | - |
| 1971 | - | - | - | - | - | - | - | - |
| 1972 | - | - | - | - | - | - | - | - |
| 1973 | - | - | - | - | - | - | - | - |
| 1974 | - | - | - | - | - | - | - | - |
| 1975 | - | - | - | - | - | - | - | - |
| 1976 | - | - | - | - | - | - | - | - |
| 1977 | - | - | - | - | - | - | - | - |
| 1978 | - | - | - | - | - | - | - | - |
| 1979 | - | - | - | - | - | - | - | - |
| 1980 | - | - | - | - | - | - | - | - |
| 1981 | - | - | - | - | - | - | - | - |
| 1982 | - | - | - | - | - | - | - | - |
| 1983 | - | - | - | - | - | - | - | - |
| 1984 | - | - | - | - | - | - | - | - |
| 1985 | - | - | - | - | - | - | - | - |
| 1986 | 2.00 | 2.89 | - | - | 0.0131 | - | 100/155 | - |
| 1987 | 2.04 | 2.98 | - | - | 0.0118 | - | 109/159 | - |
| 1988 | 2.38 | 3.17 | - | - | 0.0123 | - | 109/162 | - |
| 1989 | 2.43 | 3.30 | - | - | 0.0120 | - | 108/162 | - |
| 1990 | 2.67 | 3.44 | 5.61 | 9.58 | 0.0117 | 0.0191 | 121/176 | 116/161 |
| 1991 | 3.02 | 3.53 | 5.95 | 9.83 | 0.0126 | 0.0193 | 112/171 | 118/163 |
| 1992 | 3.28 | 3.65 | 6.28 | 10.15 | 0.0129 | 0.0194 | 108/175 | 119/166 |
| 1993 | 3.28 | 3.83 | 6.76 | 10.66 | 0.0127 | 0.0200 | 107/178 | 118/167 |
| 1994 | 3.38 | 3.98 | 7.18 | 11.08 | 0.0122 | 0.0202 | 115/182 | 116/169 |
| 1995 | 3.69 | 4.17 | 7.66 | 11.59 | 0.0119 | 0.0204 | 123/191 | 124/179 |
| 1996 | 3.87 | 4.35 | 8.15 | 12.11 | 0.0123 | 0.0205 | 121/191 | 125/179 |
| 1997 | 3.78 | 4.58 | 8.72 | 12.74 | 0.0120 | 0.0207 | 125/191 | 125/181 |
| 1998 | 3.59 | 4.75 | 9.14 | 13.20 | 0.0114 | 0.0210 | 130/193 | 127/181 |
| 1999 | 3.46 | 4.93 | 9.63 | 13.71 | 0.0106 | 0.0211 | 132/195 | 128/182 |
| 2000 | 3.00 | 5.05 | 10.09 | 14.05 | 0.00891 | 0.0206 | 138/200 | 129/189 |
| 2001 | 2.83 | 5.23 | 10.69 | 14.56 | 0.00846 | 0.0208 | 139/200 | 129/190 |
| 2002 | 2.95 | 5.51 | 11.42 | 15.32 | 0.00850 | 0.0212 | 145/205 | 130/191 |
| 2003 | 3.45 | 5.57 | 11.78 | 15.51 | 0.00886 | 0.0207 | 143/205 | 133/191 |
| 2004 | 3.64 | 5.70 | 12.37 | 15.87 | 0.00829 | 0.0201 | 146/205 | 138/192 |
| 2005 | 2.94 | 5.88 | 13.14 | 16.35 | 0.00618 | 0.0199 | 156/205 | 138/192 |
| 2006 | 4.22 | 5.95 | 13.70 | 16.54 | 0.00819 | 0.0189 | 147/206 | 138/193 |
| 2007 | 6.28 | 6.35 | 15.03 | 17.67 | 0.0108 | 0.0192 | 141/206 | 138/193 |
| 2008 | 6.96 | 6.61 | 15.95 | 18.40 | 0.0109 | 0.0192 | 142/205 | 140/194 |
| 2009 | 6.72 | 6.54 | 15.90 | 18.19 | 0.0111 | 0.0190 | 142/205 | 142/195 |
| 2010 | 6.85 | 6.85 | 16.85 | 19.07 | 0.0104 | 0.0189 | 146/206 | 141/195 |
| 2011 | 6.79 | 7.24 | 18.17 | 20.14 | 0.00924 | 0.0191 | 147/208 | 142/196 |
| 2012 | 7.64 | 7.67 | 19.13 | 21.33 | 0.0102 | 0.0191 | 146/207 | 141/194 |
| 2013 | 8.38 | 7.97 | 19.73 | 22.17 | 0.0108 | 0.0188 | 146/208 | 142/196 |
| 2014 | 8.78 | 8.26 | 20.12 | 22.99 | 0.0110 | 0.0185 | 146/208 | 140/195 |
| 2015 | 8.79 | 8.58 | 20.80 | 23.87 | 0.0117 | 0.0187 | 143/207 | 140/195 |
| 2016 | 8.60 | 9.51 | 24.40 | 26.45 | 0.0113 | 0.0211 | 143/206 | 136/194 |
| 2017 | 10.32 | 10.49 | 29.18 | 29.18 | 0.0127 | 0.0239 | 141/206 | 130/194 |
| 2018 | 11.86 | 11.15 | 31.78 | 31.03 | 0.0137 | 0.0245 | 141/206 | 131/193 |
| 2019 | 13.51 | 11.78 | 34.17 | 32.78 | 0.0154 | 0.0253 | 133/199 | 129/192 |
| 2020 | 15.68 | 12.61 | 37.00 | 35.08 | 0.0185 | 0.0279 | 112/176 | 117/177 |