| 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 | 8.18 | 24.20 |
| 2021 | 9.24 | 25.41 |
| 2022 | 8.72 | 27.43 |
| 2023 | 9.21 | 30.16 |
| 2024 | 9.75 | 32.23 |
| 2025 | 10.20 | 34.07 |
| 2026 | 10.69 | 36.02 |
| 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 | 0.16 | 1.21 | - | - | 0.0111 | - | 86/100 | - |
| 1962 | 0.16 | 1.22 | - | - | 0.0104 | - | 89/103 | - |
| 1963 | 0.17 | 1.20 | - | - | 0.0102 | - | 88/103 | - |
| 1964 | 0.22 | 1.53 | - | - | 0.0121 | - | 85/103 | - |
| 1965 | 0.26 | 1.77 | - | - | 0.0131 | - | 88/112 | - |
| 1966 | 0.27 | 1.78 | - | - | 0.0125 | - | 89/114 | - |
| 1967 | 0.28 | 1.84 | - | - | 0.0122 | - | 90/117 | - |
| 1968 | 0.31 | 2.03 | - | - | 0.0125 | - | 93/119 | - |
| 1969 | 0.30 | 2.05 | - | - | 0.0110 | - | 95/119 | - |
| 1970 | 0.31 | 2.30 | - | - | 0.0104 | - | 95/125 | - |
| 1971 | 0.34 | 2.34 | - | - | 0.0103 | - | 96/127 | - |
| 1972 | 0.39 | 2.32 | - | - | 0.0102 | - | 99/127 | - |
| 1973 | 0.49 | 2.22 | - | - | 0.0106 | - | 98/127 | - |
| 1974 | 0.61 | 2.49 | - | - | 0.0114 | - | 94/128 | - |
| 1975 | 0.70 | 2.36 | - | - | 0.0118 | - | 97/130 | - |
| 1976 | 0.78 | 2.56 | - | - | 0.0120 | - | 96/131 | - |
| 1977 | 0.80 | 2.51 | - | - | 0.0109 | - | 98/134 | - |
| 1978 | 0.80 | 2.50 | - | - | 0.00927 | - | 107/133 | - |
| 1979 | 0.95 | 2.62 | - | - | 0.00947 | - | 107/134 | - |
| 1980 | 1.05 | 2.71 | - | - | 0.00929 | - | 113/145 | - |
| 1981 | 1.11 | 2.80 | - | - | 0.00949 | - | 113/148 | - |
| 1982 | 1.11 | 2.74 | - | - | 0.00958 | - | 112/149 | - |
| 1983 | 1.17 | 2.84 | - | - | 0.00990 | - | 108/150 | - |
| 1984 | 1.07 | 2.75 | - | - | 0.00873 | - | 113/151 | - |
| 1985 | 1.01 | 2.83 | - | - | 0.00784 | - | 119/153 | - |
| 1986 | 1.19 | 2.99 | - | - | 0.00782 | - | 118/155 | - |
| 1987 | 1.34 | 3.05 | - | - | 0.00774 | - | 118/159 | - |
| 1988 | 1.41 | 3.10 | - | - | 0.00728 | - | 123/162 | - |
| 1989 | 1.45 | 3.25 | - | - | 0.00718 | - | 122/162 | - |
| 1990 | 1.51 | 3.19 | 5.37 | 9.44 | 0.00663 | 0.0183 | 137/176 | 118/161 |
| 1991 | 2.13 | 3.25 | 5.65 | 9.61 | 0.00890 | 0.0183 | 123/171 | 122/163 |
| 1992 | 2.16 | 3.31 | 5.89 | 9.79 | 0.00849 | 0.0182 | 122/175 | 123/166 |
| 1993 | 1.85 | 3.50 | 6.38 | 10.37 | 0.00716 | 0.0189 | 130/178 | 122/167 |
| 1994 | 1.94 | 3.40 | 6.32 | 10.05 | 0.00699 | 0.0178 | 129/182 | 124/169 |
| 1995 | 2.09 | 3.73 | 7.08 | 11.03 | 0.00677 | 0.0189 | 142/191 | 130/179 |
| 1996 | 2.13 | 3.95 | 7.63 | 11.68 | 0.00675 | 0.0192 | 145/191 | 128/179 |
| 1997 | 2.07 | 3.79 | 7.45 | 11.20 | 0.00658 | 0.0177 | 146/191 | 134/181 |
| 1998 | 2.03 | 3.89 | 7.74 | 11.52 | 0.00646 | 0.0178 | 144/193 | 136/181 |
| 1999 | 1.99 | 4.03 | 8.14 | 11.94 | 0.00611 | 0.0179 | 147/195 | 138/182 |
| 2000 | 1.78 | 3.88 | 8.00 | 11.47 | 0.00529 | 0.0163 | 150/200 | 141/189 |
| 2001 | 1.75 | 3.85 | 8.11 | 11.38 | 0.00523 | 0.0158 | 149/200 | 141/190 |
| 2002 | 1.78 | 3.90 | 8.35 | 11.54 | 0.00513 | 0.0155 | 156/205 | 142/191 |
| 2003 | 2.05 | 4.17 | 9.10 | 12.34 | 0.00526 | 0.0160 | 158/205 | 144/191 |
| 2004 | 2.36 | 4.37 | 9.78 | 12.92 | 0.00538 | 0.0159 | 159/205 | 143/192 |
| 2005 | 2.94 | 4.74 | 10.95 | 14.03 | 0.00618 | 0.0165 | 157/205 | 144/192 |
| 2006 | 3.92 | 5.61 | 13.35 | 16.60 | 0.00761 | 0.0184 | 152/206 | 139/193 |
| 2007 | 4.35 | 5.50 | 13.44 | 16.27 | 0.00749 | 0.0171 | 155/206 | 142/193 |
| 2008 | 5.21 | 5.48 | 13.66 | 16.22 | 0.00818 | 0.0164 | 150/205 | 144/194 |
| 2009 | 4.71 | 5.49 | 13.77 | 16.23 | 0.00779 | 0.0164 | 153/205 | 144/195 |
| 2010 | 5.63 | 5.63 | 14.30 | 16.66 | 0.00851 | 0.0160 | 152/206 | 145/195 |
| 2011 | 6.76 | 5.86 | 15.21 | 17.35 | 0.00920 | 0.0160 | 148/208 | 145/196 |
| 2012 | 6.73 | 6.13 | 15.80 | 18.13 | 0.00895 | 0.0158 | 148/207 | 143/194 |
| 2013 | 7.22 | 6.38 | 17.11 | 18.88 | 0.00934 | 0.0163 | 149/208 | 144/196 |
| 2014 | 6.59 | 6.65 | 16.88 | 19.69 | 0.00829 | 0.0155 | 153/208 | 143/195 |
| 2015 | 6.17 | 7.01 | 17.00 | 20.75 | 0.00820 | 0.0153 | 154/207 | 144/195 |
| 2016 | 6.40 | 7.10 | 19.57 | 21.01 | 0.00838 | 0.0169 | 151/206 | 141/194 |
| 2017 | 6.76 | 7.35 | 21.74 | 21.74 | 0.00831 | 0.0178 | 151/206 | 142/194 |
| 2018 | 7.05 | 7.50 | 22.74 | 22.20 | 0.00817 | 0.0176 | 153/206 | 142/193 |
| 2019 | 7.60 | 7.95 | 24.52 | 23.52 | 0.00868 | 0.0181 | 148/199 | 142/192 |
| 2020 | 7.78 | 7.83 | 24.44 | 23.17 | 0.00918 | 0.0184 | 138/176 | 136/177 |