| 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 | 16.54 | 47.31 |
| 2021 | 18.85 | 50.23 |
| 2022 | 20.57 | 54.03 |
| 2023 | 22.27 | 58.34 |
| 2024 | 24.08 | 62.89 |
| 2025 | 26.01 | 67.69 |
| 2026 | 28.09 | 72.82 |
| 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 | 0.33 | 1.30 | - | - | 0.0238 | - | 72/99 | - |
| 1961 | 0.35 | 1.35 | - | - | 0.0243 | - | 72/100 | - |
| 1962 | 0.38 | 1.43 | - | - | 0.0246 | - | 74/103 | - |
| 1963 | 0.39 | 1.41 | - | - | 0.0234 | - | 74/103 | - |
| 1964 | 0.41 | 1.45 | - | - | 0.0225 | - | 75/103 | - |
| 1965 | 0.42 | 1.50 | - | - | 0.0211 | - | 81/112 | - |
| 1966 | 0.43 | 1.51 | - | - | 0.0200 | - | 82/114 | - |
| 1967 | 0.45 | 1.64 | - | - | 0.0196 | - | 83/117 | - |
| 1968 | 0.46 | 1.69 | - | - | 0.0186 | - | 86/119 | - |
| 1969 | 0.48 | 1.73 | - | - | 0.0176 | - | 86/119 | - |
| 1970 | 0.46 | 1.73 | - | - | 0.0154 | - | 87/125 | - |
| 1971 | 0.48 | 1.75 | - | - | 0.0145 | - | 88/127 | - |
| 1972 | 0.58 | 1.79 | - | - | 0.0152 | - | 87/127 | - |
| 1973 | 0.67 | 1.80 | - | - | 0.0144 | - | 88/127 | - |
| 1974 | 0.75 | 1.95 | - | - | 0.0140 | - | 89/128 | - |
| 1975 | 0.94 | 2.01 | - | - | 0.0158 | - | 90/130 | - |
| 1976 | 0.98 | 2.18 | - | - | 0.0151 | - | 90/131 | - |
| 1977 | 1.13 | 2.19 | - | - | 0.0154 | - | 90/134 | - |
| 1978 | 1.48 | 2.29 | - | - | 0.0171 | - | 90/133 | - |
| 1979 | 1.75 | 2.38 | - | - | 0.0175 | - | 89/134 | - |
| 1980 | 1.93 | 2.39 | - | - | 0.0171 | - | 95/145 | - |
| 1981 | 1.78 | 2.50 | - | - | 0.0152 | - | 98/148 | - |
| 1982 | 1.75 | 2.73 | - | - | 0.0151 | - | 98/149 | - |
| 1983 | 1.60 | 2.74 | - | - | 0.0135 | - | 100/150 | - |
| 1984 | 1.46 | 2.70 | - | - | 0.0119 | - | 103/151 | - |
| 1985 | 1.55 | 2.93 | - | - | 0.0120 | - | 103/153 | - |
| 1986 | 2.04 | 3.16 | - | - | 0.0134 | - | 99/155 | - |
| 1987 | 2.37 | 3.15 | - | - | 0.0137 | - | 99/159 | - |
| 1988 | 2.62 | 3.33 | - | - | 0.0135 | - | 105/162 | - |
| 1989 | 2.62 | 3.40 | - | - | 0.0130 | - | 106/162 | - |
| 1990 | 3.10 | 3.38 | 5.20 | 8.97 | 0.0136 | 0.0177 | 114/176 | 121/161 |
| 1991 | 3.14 | 3.69 | 5.86 | 9.78 | 0.0131 | 0.0190 | 110/171 | 120/163 |
| 1992 | 3.36 | 3.70 | 6.01 | 9.80 | 0.0132 | 0.0186 | 107/175 | 121/166 |
| 1993 | 3.20 | 3.83 | 6.36 | 10.14 | 0.0124 | 0.0189 | 112/178 | 123/167 |
| 1994 | 1.90 | 3.88 | 6.59 | 10.27 | 0.00684 | 0.0186 | 131/182 | 123/169 |
| 1995 | 2.38 | 4.10 | 7.11 | 10.86 | 0.00771 | 0.0190 | 137/191 | 129/179 |
| 1996 | 2.59 | 4.55 | 8.04 | 12.06 | 0.00820 | 0.0202 | 137/191 | 127/179 |
| 1997 | 2.45 | 4.84 | 8.69 | 12.82 | 0.00779 | 0.0207 | 139/191 | 126/181 |
| 1998 | 2.80 | 5.19 | 9.43 | 13.76 | 0.00892 | 0.0217 | 138/193 | 125/181 |
| 1999 | 3.39 | 5.58 | 10.27 | 14.77 | 0.0104 | 0.0225 | 135/195 | 126/182 |
| 2000 | 2.97 | 5.68 | 10.70 | 15.05 | 0.00883 | 0.0218 | 139/200 | 128/189 |
| 2001 | 3.19 | 6.06 | 11.66 | 16.05 | 0.00954 | 0.0227 | 136/200 | 127/190 |
| 2002 | 3.62 | 6.32 | 12.36 | 16.75 | 0.0104 | 0.0230 | 134/205 | 128/191 |
| 2003 | 4.74 | 6.81 | 13.57 | 18.05 | 0.0122 | 0.0239 | 131/205 | 125/191 |
| 2004 | 5.45 | 7.12 | 14.56 | 18.86 | 0.0124 | 0.0237 | 131/205 | 127/192 |
| 2005 | 6.15 | 7.74 | 16.32 | 20.50 | 0.0129 | 0.0247 | 136/205 | 126/192 |
| 2006 | 6.55 | 8.22 | 17.86 | 21.78 | 0.0127 | 0.0247 | 137/206 | 126/193 |
| 2007 | 7.63 | 8.56 | 19.09 | 22.67 | 0.0131 | 0.0243 | 138/206 | 127/193 |
| 2008 | 9.45 | 9.05 | 20.59 | 23.99 | 0.0148 | 0.0248 | 135/205 | 127/194 |
| 2009 | 9.45 | 9.32 | 21.37 | 24.70 | 0.0156 | 0.0255 | 132/205 | 127/195 |
| 2010 | 10.11 | 10.11 | 23.44 | 26.78 | 0.0153 | 0.0262 | 131/206 | 124/195 |
| 2011 | 12.08 | 10.78 | 25.52 | 28.56 | 0.0164 | 0.0268 | 131/208 | 125/196 |
| 2012 | 12.56 | 11.47 | 26.84 | 30.40 | 0.0167 | 0.0268 | 127/207 | 126/194 |
| 2013 | 13.44 | 12.14 | 28.74 | 32.16 | 0.0174 | 0.0274 | 128/208 | 122/196 |
| 2014 | 13.94 | 12.66 | 29.76 | 33.55 | 0.0175 | 0.0273 | 128/208 | 124/195 |
| 2015 | 11.83 | 13.16 | 31.03 | 34.87 | 0.0157 | 0.0279 | 130/207 | 122/195 |
| 2016 | 12.83 | 13.95 | 35.34 | 36.95 | 0.0168 | 0.0305 | 125/206 | 118/194 |
| 2017 | 14.11 | 14.81 | 39.24 | 39.24 | 0.0173 | 0.0322 | 124/206 | 114/194 |
| 2018 | 16.06 | 15.81 | 42.89 | 41.88 | 0.0186 | 0.0331 | 122/206 | 113/193 |
| 2019 | 15.99 | 16.71 | 46.14 | 44.27 | 0.0183 | 0.0341 | 121/199 | 113/192 |
| 2020 | 17.37 | 17.05 | 47.64 | 45.16 | 0.0205 | 0.0359 | 108/176 | 105/177 |