| 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 | 4.20 | 13.77 |
| 2021 | 4.42 | 14.45 |
| 2022 | 4.45 | 15.30 |
| 2023 | 4.53 | 16.25 |
| 2024 | 4.71 | 17.42 |
| 2025 | 4.93 | 18.66 |
| 2026 | 5.18 | 19.93 |
| 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 | 0.32 | 0.86 | - | - | 0.0231 | - | 73/99 | - |
| 1961 | 0.33 | 0.88 | - | - | 0.0229 | - | 74/100 | - |
| 1962 | 0.34 | 0.92 | - | - | 0.0220 | - | 76/103 | - |
| 1963 | 0.35 | 0.94 | - | - | 0.0210 | - | 76/103 | - |
| 1964 | 0.37 | 1.00 | - | - | 0.0203 | - | 77/103 | - |
| 1965 | 0.36 | 1.07 | - | - | 0.0181 | - | 83/112 | - |
| 1966 | 0.38 | 1.09 | - | - | 0.0176 | - | 85/114 | - |
| 1967 | 0.35 | 1.09 | - | - | 0.0153 | - | 88/117 | - |
| 1968 | 0.33 | 1.11 | - | - | 0.0133 | - | 91/119 | - |
| 1969 | 0.41 | 1.20 | - | - | 0.0150 | - | 89/119 | - |
| 1970 | 0.43 | 1.31 | - | - | 0.0144 | - | 88/125 | - |
| 1971 | 0.42 | 1.35 | - | - | 0.0127 | - | 89/127 | - |
| 1972 | 0.47 | 1.37 | - | - | 0.0124 | - | 92/127 | - |
| 1973 | 0.58 | 1.40 | - | - | 0.0125 | - | 91/127 | - |
| 1974 | 0.65 | 1.45 | - | - | 0.0122 | - | 91/128 | - |
| 1975 | 0.68 | 1.47 | - | - | 0.0114 | - | 101/130 | - |
| 1976 | 0.59 | 1.46 | - | - | 0.00911 | - | 107/131 | - |
| 1977 | 0.69 | 1.46 | - | - | 0.00942 | - | 107/134 | - |
| 1978 | 0.96 | 1.50 | - | - | 0.0111 | - | 98/133 | - |
| 1979 | 1.11 | 1.57 | - | - | 0.0111 | - | 99/134 | - |
| 1980 | 1.10 | 1.64 | - | - | 0.00974 | - | 111/145 | - |
| 1981 | 1.11 | 1.69 | - | - | 0.00949 | - | 111/148 | - |
| 1982 | 1.30 | 1.77 | - | - | 0.0112 | - | 103/149 | - |
| 1983 | 1.00 | 1.73 | - | - | 0.00846 | - | 115/150 | - |
| 1984 | 1.09 | 1.80 | - | - | 0.00890 | - | 112/151 | - |
| 1985 | 0.86 | 1.71 | - | - | 0.00668 | - | 123/153 | - |
| 1986 | 0.49 | 1.73 | - | - | 0.00322 | - | 129/155 | - |
| 1987 | 0.70 | 1.85 | - | - | 0.00404 | - | 131/159 | - |
| 1988 | 1.06 | 1.72 | - | - | 0.00548 | - | 131/162 | - |
| 1989 | 0.93 | 1.74 | - | - | 0.00460 | - | 131/162 | - |
| 1990 | 0.65 | 1.79 | 3.35 | 6.31 | 0.00286 | 0.0114 | 149/176 | 127/161 |
| 1991 | 0.78 | 1.84 | 3.55 | 6.46 | 0.00326 | 0.0115 | 143/171 | 130/163 |
| 1992 | 0.68 | 1.49 | 2.94 | 5.23 | 0.00267 | 0.00910 | 146/175 | 136/166 |
| 1993 | 0.77 | 1.51 | 3.05 | 5.30 | 0.00298 | 0.00905 | 150/178 | 136/167 |
| 1994 | 0.91 | 1.48 | 3.06 | 5.20 | 0.00328 | 0.00861 | 152/182 | 139/169 |
| 1995 | 0.87 | 1.36 | 2.87 | 4.78 | 0.00282 | 0.00765 | 164/191 | 150/179 |
| 1996 | 0.94 | 1.38 | 2.97 | 4.87 | 0.00298 | 0.00747 | 163/191 | 151/179 |
| 1997 | 0.85 | 1.30 | 2.85 | 4.58 | 0.00270 | 0.00678 | 165/191 | 153/181 |
| 1998 | 0.67 | 1.33 | 2.93 | 4.66 | 0.00213 | 0.00674 | 173/193 | 154/181 |
| 1999 | 0.67 | 1.30 | 2.91 | 4.57 | 0.00206 | 0.00638 | 175/195 | 156/182 |
| 2000 | 0.64 | 1.39 | 3.18 | 4.87 | 0.00190 | 0.00649 | 179/200 | 159/189 |
| 2001 | 1.09 | 1.30 | 3.04 | 4.57 | 0.00326 | 0.00592 | 163/200 | 160/190 |
| 2002 | 1.25 | 1.64 | 3.90 | 5.77 | 0.00360 | 0.00725 | 167/205 | 157/191 |
| 2003 | 1.39 | 1.79 | 4.35 | 6.31 | 0.00357 | 0.00766 | 169/205 | 155/191 |
| 2004 | 1.45 | 1.91 | 4.76 | 6.73 | 0.00330 | 0.00775 | 171/205 | 156/192 |
| 2005 | 1.65 | 2.00 | 5.13 | 7.03 | 0.00347 | 0.00775 | 171/205 | 155/192 |
| 2006 | 1.89 | 2.08 | 5.51 | 7.33 | 0.00367 | 0.00761 | 172/206 | 156/193 |
| 2007 | 2.16 | 2.25 | 6.11 | 7.92 | 0.00372 | 0.00779 | 172/206 | 155/193 |
| 2008 | 2.51 | 2.37 | 6.57 | 8.34 | 0.00394 | 0.00791 | 168/205 | 154/194 |
| 2009 | 2.45 | 2.45 | 6.83 | 8.61 | 0.00405 | 0.00814 | 169/205 | 154/195 |
| 2010 | 2.58 | 2.58 | 7.28 | 9.07 | 0.00390 | 0.00815 | 168/206 | 154/195 |
| 2011 | 2.94 | 2.74 | 7.90 | 9.64 | 0.00400 | 0.00830 | 168/208 | 154/196 |
| 2012 | 3.80 | 3.16 | 9.44 | 11.11 | 0.00506 | 0.00943 | 166/207 | 150/194 |
| 2013 | 4.92 | 3.81 | 11.99 | 13.41 | 0.00636 | 0.0114 | 158/208 | 149/196 |
| 2014 | 5.02 | 3.98 | 12.54 | 14.02 | 0.00632 | 0.0115 | 158/208 | 148/195 |
| 2015 | 4.22 | 3.16 | 11.38 | 11.13 | 0.00561 | 0.0102 | 161/207 | 149/195 |
| 2016 | 3.67 | 3.36 | 11.70 | 11.80 | 0.00480 | 0.0101 | 165/206 | 150/194 |
| 2017 | 3.74 | 3.50 | 12.30 | 12.30 | 0.00460 | 0.0101 | 165/206 | 150/194 |
| 2018 | 4.09 | 3.62 | 13.03 | 12.72 | 0.00474 | 0.0101 | 164/206 | 151/193 |
| 2019 | 4.12 | 3.82 | 14.01 | 13.44 | 0.00470 | 0.0104 | 162/199 | 150/192 |
| 2020 | 3.87 | 3.74 | 13.87 | 13.15 | 0.00457 | 0.0105 | 149/176 | 145/177 |