| 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 | 15.73 | 55.25 |
| 2021 | 16.16 | 58.23 |
| 2022 | 18.00 | 63.00 |
| 2023 | 19.64 | 67.97 |
| 2024 | 21.32 | 73.00 |
| 2025 | 23.14 | 78.30 |
| 2026 | 25.08 | 83.92 |
| 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 | - | 7.35 | - | - | - | - | - | - |
| 1966 | - | 7.90 | - | - | - | - | - | - |
| 1967 | - | 8.39 | - | - | - | - | - | - |
| 1968 | - | 8.77 | - | - | - | - | - | - |
| 1969 | - | 9.19 | - | - | - | - | - | - |
| 1970 | - | 10.29 | - | - | - | - | - | - |
| 1971 | - | 10.55 | - | - | - | - | - | - |
| 1972 | - | 10.85 | - | - | - | - | - | - |
| 1973 | - | 11.55 | - | - | - | - | - | - |
| 1974 | - | 12.57 | - | - | - | - | - | - |
| 1975 | - | 13.49 | - | - | - | - | - | - |
| 1976 | - | 14.32 | - | - | - | - | - | - |
| 1977 | - | 15.30 | - | - | - | - | - | - |
| 1978 | - | 16.44 | - | - | - | - | - | - |
| 1979 | - | 17.65 | - | - | - | - | - | - |
| 1980 | - | 18.46 | - | - | - | - | - | - |
| 1981 | - | 19.43 | - | - | - | - | - | - |
| 1982 | - | 19.82 | - | - | - | - | - | - |
| 1983 | - | 20.67 | - | - | - | - | - | - |
| 1984 | - | 21.80 | - | - | - | - | - | - |
| 1985 | - | 22.87 | - | - | - | - | - | - |
| 1986 | - | 21.00 | - | - | - | - | - | - |
| 1987 | - | 21.27 | - | - | - | - | - | - |
| 1988 | - | 22.45 | - | - | - | - | - | - |
| 1989 | - | 20.84 | - | - | - | - | - | - |
| 1990 | 7.75 | 17.76 | 27.52 | 53.47 | 0.0340 | 0.0939 | 79/176 | 69/161 |
| 1991 | - | 14.01 | 22.45 | 42.19 | - | 0.0727 | - | 76/163 |
| 1992 | - | 7.72 | 12.65 | 23.25 | - | 0.0391 | - | 101/166 |
| 1993 | 2.69 | 5.46 | 9.16 | 16.44 | 0.0104 | 0.0272 | 119/178 | 110/167 |
| 1994 | 2.51 | 4.89 | 8.38 | 14.73 | 0.00904 | 0.0236 | 124/182 | 112/169 |
| 1995 | 2.69 | 5.02 | 8.78 | 15.11 | 0.00871 | 0.0234 | 132/191 | 120/179 |
| 1996 | 3.10 | 5.58 | 9.94 | 16.80 | 0.00982 | 0.0250 | 132/191 | 117/179 |
| 1997 | 3.51 | 6.17 | 11.17 | 18.57 | 0.0112 | 0.0266 | 129/191 | 117/181 |
| 1998 | 3.61 | 6.36 | 11.65 | 19.14 | 0.0115 | 0.0268 | 129/193 | 118/181 |
| 1999 | 2.80 | 6.54 | 12.16 | 19.69 | 0.00859 | 0.0267 | 141/195 | 118/182 |
| 2000 | 3.06 | 6.66 | 12.66 | 20.06 | 0.00909 | 0.0258 | 137/200 | 120/189 |
| 2001 | 3.22 | 6.98 | 13.56 | 21.02 | 0.00963 | 0.0264 | 135/200 | 121/190 |
| 2002 | 3.40 | 7.36 | 14.52 | 22.17 | 0.00979 | 0.0270 | 137/205 | 122/191 |
| 2003 | 3.99 | 8.18 | 16.43 | 24.62 | 0.0102 | 0.0289 | 136/205 | 121/191 |
| 2004 | 5.13 | 8.65 | 17.85 | 26.05 | 0.0117 | 0.0291 | 134/205 | 120/192 |
| 2005 | 6.41 | 9.48 | 20.17 | 28.55 | 0.0135 | 0.0305 | 130/205 | 120/192 |
| 2006 | 7.75 | 10.37 | 22.74 | 31.24 | 0.0150 | 0.0314 | 126/206 | 115/193 |
| 2007 | 10.17 | 11.68 | 26.29 | 35.17 | 0.0175 | 0.0335 | 123/206 | 115/193 |
| 2008 | 12.80 | 11.96 | 27.45 | 36.02 | 0.0201 | 0.0330 | 118/205 | 115/194 |
| 2009 | 10.77 | 11.52 | 26.65 | 34.70 | 0.0178 | 0.0318 | 122/205 | 118/195 |
| 2010 | 12.24 | 12.24 | 28.64 | 36.87 | 0.0185 | 0.0321 | 122/206 | 116/195 |
| 2011 | 15.11 | 13.15 | 31.40 | 39.60 | 0.0206 | 0.0330 | 120/208 | 115/196 |
| 2012 | 16.49 | 13.99 | 36.64 | 42.12 | 0.0219 | 0.0366 | 119/207 | 110/194 |
| 2013 | 17.19 | 14.49 | 39.45 | 43.65 | 0.0222 | 0.0376 | 120/208 | 107/196 |
| 2014 | 17.63 | 15.14 | 43.05 | 45.58 | 0.0222 | 0.0395 | 120/208 | 105/195 |
| 2015 | 14.95 | 15.59 | 45.04 | 46.96 | 0.0199 | 0.0404 | 117/207 | 105/195 |
| 2016 | 15.14 | 16.05 | 47.93 | 48.32 | 0.0198 | 0.0414 | 119/206 | 105/194 |
| 2017 | 16.24 | 16.82 | 50.66 | 50.66 | 0.0200 | 0.0415 | 118/206 | 106/194 |
| 2018 | 17.60 | 17.64 | 54.39 | 53.12 | 0.0204 | 0.0420 | 118/206 | 107/193 |
| 2019 | 17.48 | 18.52 | 58.12 | 55.76 | 0.0200 | 0.0430 | 116/199 | 107/192 |
| 2020 | 15.89 | 17.38 | 55.20 | 52.33 | 0.0188 | 0.0416 | 110/176 | 100/177 |