| 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 | 15.19 | 41.74 |
| 2021 | 17.33 | 44.62 |
| 2022 | 19.06 | 48.37 |
| 2023 | 20.68 | 52.70 |
| 2024 | 22.50 | 57.31 |
| 2025 | 24.44 | 62.25 |
| 2026 | 26.50 | 67.46 |
| 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 | 0.23 | 1.73 | - | - | 0.0166 | - | 78/99 | - |
| 1961 | 0.24 | 1.79 | - | - | 0.0167 | - | 79/100 | - |
| 1962 | 0.24 | 1.72 | - | - | 0.0155 | - | 81/103 | - |
| 1963 | 0.25 | 1.81 | - | - | 0.0150 | - | 81/103 | - |
| 1964 | 0.27 | 1.93 | - | - | 0.0148 | - | 81/103 | - |
| 1965 | 0.29 | 2.03 | - | - | 0.0146 | - | 87/112 | - |
| 1966 | 0.30 | 2.10 | - | - | 0.0139 | - | 88/114 | - |
| 1967 | 0.31 | 2.12 | - | - | 0.0135 | - | 89/117 | - |
| 1968 | 0.33 | 2.20 | - | - | 0.0133 | - | 92/119 | - |
| 1969 | 0.33 | 2.27 | - | - | 0.0121 | - | 92/119 | - |
| 1970 | 0.33 | 2.32 | - | - | 0.0110 | - | 91/125 | - |
| 1971 | 0.34 | 2.28 | - | - | 0.0103 | - | 97/127 | - |
| 1972 | 0.41 | 2.43 | - | - | 0.0108 | - | 96/127 | - |
| 1973 | 0.50 | 2.52 | - | - | 0.0108 | - | 97/127 | - |
| 1974 | 0.55 | 2.60 | - | - | 0.0103 | - | 102/128 | - |
| 1975 | 0.68 | 2.47 | - | - | 0.0114 | - | 102/130 | - |
| 1976 | 0.70 | 2.50 | - | - | 0.0108 | - | 101/131 | - |
| 1977 | 0.75 | 2.62 | - | - | 0.0102 | - | 102/134 | - |
| 1978 | 0.93 | 2.65 | - | - | 0.0108 | - | 100/133 | - |
| 1979 | 1.19 | 2.83 | - | - | 0.0119 | - | 97/134 | - |
| 1980 | 1.41 | 3.02 | - | - | 0.0125 | - | 98/145 | - |
| 1981 | 1.29 | 3.32 | - | - | 0.0110 | - | 104/148 | - |
| 1982 | 1.27 | 3.39 | - | - | 0.0110 | - | 105/149 | - |
| 1983 | 1.10 | 3.25 | - | - | 0.00931 | - | 111/150 | - |
| 1984 | 1.05 | 3.50 | - | - | 0.00857 | - | 114/151 | - |
| 1985 | 1.05 | 3.77 | - | - | 0.00816 | - | 116/153 | - |
| 1986 | 1.34 | 3.85 | - | - | 0.00881 | - | 114/155 | - |
| 1987 | 1.56 | 3.79 | - | - | 0.00901 | - | 116/159 | - |
| 1988 | 1.62 | 3.92 | - | - | 0.00837 | - | 120/162 | - |
| 1989 | 1.50 | 3.81 | - | - | 0.00742 | - | 120/162 | - |
| 1990 | 1.96 | 4.15 | 6.27 | 10.83 | 0.00861 | 0.0214 | 132/176 | 114/161 |
| 1991 | 1.99 | 4.33 | 6.76 | 11.29 | 0.00832 | 0.0219 | 126/171 | 115/163 |
| 1992 | 1.70 | 4.45 | 7.12 | 11.62 | 0.00668 | 0.0220 | 129/175 | 115/166 |
| 1993 | 2.27 | 4.71 | 7.71 | 12.30 | 0.00878 | 0.0229 | 124/178 | 116/167 |
| 1994 | 1.60 | 4.81 | 8.03 | 12.55 | 0.00576 | 0.0226 | 137/182 | 113/169 |
| 1995 | 2.17 | 5.10 | 8.70 | 13.31 | 0.00703 | 0.0232 | 140/191 | 121/179 |
| 1996 | 2.36 | 5.32 | 9.24 | 13.88 | 0.00748 | 0.0232 | 143/191 | 121/179 |
| 1997 | 2.27 | 5.62 | 9.94 | 14.68 | 0.00722 | 0.0236 | 143/191 | 122/181 |
| 1998 | 2.46 | 5.85 | 10.45 | 15.26 | 0.00783 | 0.0240 | 143/193 | 122/181 |
| 1999 | 3.68 | 6.16 | 11.16 | 16.07 | 0.0113 | 0.0245 | 129/195 | 123/182 |
| 2000 | 3.52 | 6.52 | 12.08 | 17.02 | 0.0105 | 0.0247 | 131/200 | 124/189 |
| 2001 | 3.67 | 6.87 | 13.01 | 17.92 | 0.0110 | 0.0253 | 131/200 | 123/190 |
| 2002 | 4.19 | 7.19 | 13.82 | 18.75 | 0.0121 | 0.0257 | 128/205 | 124/191 |
| 2003 | 5.35 | 7.44 | 14.57 | 19.40 | 0.0137 | 0.0256 | 125/205 | 124/191 |
| 2004 | 6.19 | 7.76 | 15.62 | 20.26 | 0.0141 | 0.0254 | 124/205 | 125/192 |
| 2005 | 6.57 | 7.90 | 16.38 | 20.61 | 0.0138 | 0.0248 | 127/205 | 125/192 |
| 2006 | 7.03 | 8.21 | 17.55 | 21.42 | 0.0136 | 0.0242 | 130/206 | 129/193 |
| 2007 | 8.17 | 8.70 | 19.10 | 22.70 | 0.0141 | 0.0244 | 134/206 | 126/193 |
| 2008 | 9.79 | 9.13 | 20.42 | 23.81 | 0.0154 | 0.0246 | 134/205 | 128/194 |
| 2009 | 9.74 | 9.34 | 21.05 | 24.37 | 0.0161 | 0.0251 | 128/205 | 128/195 |
| 2010 | 9.54 | 9.54 | 21.75 | 24.88 | 0.0144 | 0.0243 | 136/206 | 133/195 |
| 2011 | 10.69 | 9.82 | 22.86 | 25.62 | 0.0145 | 0.0240 | 135/208 | 134/196 |
| 2012 | 11.14 | 10.29 | 24.31 | 26.85 | 0.0148 | 0.0243 | 136/207 | 131/194 |
| 2013 | 12.52 | 11.03 | 26.71 | 28.78 | 0.0162 | 0.0254 | 133/208 | 128/196 |
| 2014 | 13.28 | 11.73 | 29.15 | 30.61 | 0.0167 | 0.0267 | 131/208 | 126/195 |
| 2015 | 11.39 | 11.94 | 30.53 | 31.16 | 0.0151 | 0.0274 | 134/207 | 123/195 |
| 2016 | 11.82 | 12.34 | 32.67 | 32.20 | 0.0155 | 0.0282 | 131/206 | 123/194 |
| 2017 | 12.70 | 13.04 | 34.02 | 34.02 | 0.0156 | 0.0279 | 132/206 | 123/194 |
| 2018 | 14.25 | 13.91 | 37.17 | 36.30 | 0.0165 | 0.0287 | 128/206 | 122/193 |
| 2019 | 14.39 | 14.87 | 40.43 | 38.79 | 0.0164 | 0.0299 | 126/199 | 120/192 |
| 2020 | 15.65 | 15.44 | 42.50 | 40.29 | 0.0185 | 0.0320 | 113/176 | 109/177 |