| 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 | 8.49 | 20.73 |
| 2021 | 9.27 | 21.58 |
| 2022 | 9.60 | 23.50 |
| 2023 | 9.93 | 25.59 |
| 2024 | 10.34 | 27.77 |
| 2025 | 10.78 | 30.09 |
| 2026 | 11.38 | 32.49 |
| 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 | 0.16 | 0.87 | - | - | 0.0116 | - | 84/99 | - |
| 1961 | 0.17 | 0.94 | - | - | 0.0118 | - | 84/100 | - |
| 1962 | 0.18 | 0.95 | - | - | 0.0116 | - | 86/103 | - |
| 1963 | 0.19 | 0.93 | - | - | 0.0114 | - | 85/103 | - |
| 1964 | 0.19 | 0.96 | - | - | 0.0104 | - | 88/103 | - |
| 1965 | 0.23 | 1.09 | - | - | 0.0116 | - | 90/112 | - |
| 1966 | 0.26 | 1.23 | - | - | 0.0121 | - | 90/114 | - |
| 1967 | 0.27 | 1.32 | - | - | 0.0118 | - | 94/117 | - |
| 1968 | 0.25 | 1.30 | - | - | 0.0101 | - | 98/119 | - |
| 1969 | 0.27 | 1.37 | - | - | 0.00988 | - | 97/119 | - |
| 1970 | 0.29 | 1.38 | - | - | 0.00971 | - | 98/125 | - |
| 1971 | 0.37 | 1.60 | - | - | 0.0112 | - | 94/127 | - |
| 1972 | 0.41 | 1.70 | - | - | 0.0108 | - | 97/127 | - |
| 1973 | 0.44 | 1.74 | - | - | 0.00949 | - | 101/127 | - |
| 1974 | 0.55 | 1.87 | - | - | 0.0103 | - | 103/128 | - |
| 1975 | 0.61 | 1.98 | - | - | 0.0102 | - | 104/130 | - |
| 1976 | 0.67 | 2.08 | - | - | 0.0103 | - | 103/131 | - |
| 1977 | 0.81 | 2.18 | - | - | 0.0111 | - | 97/134 | - |
| 1978 | 0.95 | 2.39 | - | - | 0.0110 | - | 99/133 | - |
| 1979 | 1.06 | 2.50 | - | - | 0.0106 | - | 102/134 | - |
| 1980 | 1.24 | 2.51 | - | - | 0.0110 | - | 106/145 | - |
| 1981 | 1.24 | 2.38 | - | - | 0.0106 | - | 107/148 | - |
| 1982 | 1.18 | 2.44 | - | - | 0.0102 | - | 108/149 | - |
| 1983 | 1.22 | 2.53 | - | - | 0.0103 | - | 105/150 | - |
| 1984 | 1.21 | 2.66 | - | - | 0.00987 | - | 109/151 | - |
| 1985 | 1.13 | 2.78 | - | - | 0.00878 | - | 111/153 | - |
| 1986 | 1.18 | 2.78 | - | - | 0.00776 | - | 119/155 | - |
| 1987 | 1.18 | 2.82 | - | - | 0.00682 | - | 122/159 | - |
| 1988 | 1.38 | 2.91 | - | - | 0.00713 | - | 124/162 | - |
| 1989 | 1.59 | 2.95 | - | - | 0.00787 | - | 119/162 | - |
| 1990 | 1.88 | 3.12 | 4.41 | 8.80 | 0.00826 | 0.0151 | 133/176 | 122/161 |
| 1991 | 2.20 | 3.39 | 4.96 | 9.57 | 0.00919 | 0.0161 | 122/171 | 124/163 |
| 1992 | 1.80 | 3.14 | 4.70 | 8.87 | 0.00708 | 0.0145 | 127/175 | 128/166 |
| 1993 | 2.07 | 3.45 | 5.28 | 9.73 | 0.00801 | 0.0157 | 125/178 | 127/167 |
| 1994 | 1.18 | 3.10 | 4.84 | 8.73 | 0.00425 | 0.0136 | 145/182 | 131/169 |
| 1995 | 1.40 | 3.61 | 5.77 | 10.19 | 0.00453 | 0.0154 | 153/191 | 137/179 |
| 1996 | 2.28 | 3.88 | 6.30 | 10.94 | 0.00722 | 0.0158 | 144/191 | 137/179 |
| 1997 | 2.66 | 4.02 | 6.65 | 11.35 | 0.00845 | 0.0158 | 136/191 | 138/181 |
| 1998 | 1.75 | 4.18 | 6.99 | 11.80 | 0.00557 | 0.0161 | 148/193 | 139/181 |
| 1999 | 1.78 | 4.31 | 7.31 | 12.16 | 0.00546 | 0.0160 | 150/195 | 141/182 |
| 2000 | 1.74 | 4.38 | 7.59 | 12.35 | 0.00517 | 0.0155 | 151/200 | 142/189 |
| 2001 | 1.72 | 4.16 | 7.37 | 11.73 | 0.00514 | 0.0144 | 150/200 | 144/190 |
| 2002 | 3.50 | 4.23 | 7.61 | 11.93 | 0.0101 | 0.0141 | 136/205 | 147/191 |
| 2003 | 3.21 | 4.47 | 8.20 | 12.61 | 0.00824 | 0.0144 | 146/205 | 147/191 |
| 2004 | 3.48 | 4.71 | 8.87 | 13.30 | 0.00793 | 0.0144 | 149/205 | 147/192 |
| 2005 | 3.66 | 4.87 | 9.45 | 13.73 | 0.00770 | 0.0143 | 150/205 | 147/192 |
| 2006 | 4.00 | 5.10 | 10.19 | 14.38 | 0.00776 | 0.0141 | 151/206 | 147/193 |
| 2007 | 4.43 | 5.58 | 11.47 | 15.76 | 0.00763 | 0.0146 | 152/206 | 146/193 |
| 2008 | 5.32 | 6.01 | 12.59 | 16.96 | 0.00835 | 0.0152 | 149/205 | 147/194 |
| 2009 | 6.19 | 6.51 | 13.74 | 18.37 | 0.0102 | 0.0164 | 144/205 | 145/195 |
| 2010 | 6.96 | 6.96 | 14.86 | 19.64 | 0.0105 | 0.0166 | 145/206 | 144/195 |
| 2011 | 8.00 | 7.30 | 15.90 | 20.59 | 0.0109 | 0.0167 | 145/208 | 144/196 |
| 2012 | 6.03 | 7.44 | 15.92 | 20.98 | 0.00802 | 0.0159 | 153/207 | 142/194 |
| 2013 | 5.52 | 7.82 | 17.56 | 22.07 | 0.00714 | 0.0167 | 155/208 | 143/196 |
| 2014 | 6.05 | 8.27 | 17.58 | 23.33 | 0.00761 | 0.0161 | 155/208 | 142/195 |
| 2015 | 6.37 | 8.50 | 17.06 | 23.98 | 0.00847 | 0.0153 | 151/207 | 143/195 |
| 2016 | 5.43 | 8.71 | 17.64 | 24.58 | 0.00711 | 0.0152 | 155/206 | 146/194 |
| 2017 | 8.79 | 9.06 | 25.56 | 25.56 | 0.0108 | 0.0209 | 145/206 | 137/194 |
| 2018 | 9.71 | 9.46 | 27.33 | 26.69 | 0.0112 | 0.0211 | 144/206 | 136/193 |
| 2019 | 10.86 | 10.00 | 29.41 | 28.22 | 0.0124 | 0.0217 | 143/199 | 136/192 |
| 2020 | 11.96 | 10.08 | 30.00 | 28.44 | 0.0141 | 0.0226 | 128/176 | 128/177 |