| 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 | 13.70 | 30.47 |
| 2021 | 15.90 | 33.16 |
| 2022 | 18.53 | 38.26 |
| 2023 | 21.05 | 43.47 |
| 2024 | 22.93 | 47.33 |
| 2025 | 24.86 | 51.28 |
| 2026 | 26.84 | 55.29 |
| 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 | 0.45 | 2.80 | - | - | 0.0325 | - | 68/99 | - |
| 1961 | 0.49 | 2.93 | - | - | 0.0340 | - | 68/100 | - |
| 1962 | 0.53 | 3.23 | - | - | 0.0343 | - | 69/103 | - |
| 1963 | 0.59 | 3.53 | - | - | 0.0354 | - | 68/103 | - |
| 1964 | 0.58 | 3.54 | - | - | 0.0318 | - | 69/103 | - |
| 1965 | 0.67 | 3.78 | - | - | 0.0337 | - | 73/112 | - |
| 1966 | 0.70 | 3.77 | - | - | 0.0325 | - | 74/114 | - |
| 1967 | 0.67 | 3.77 | - | - | 0.0292 | - | 77/117 | - |
| 1968 | 0.64 | 3.79 | - | - | 0.0258 | - | 81/119 | - |
| 1969 | 0.63 | 3.58 | - | - | 0.0231 | - | 82/119 | - |
| 1970 | 0.65 | 3.69 | - | - | 0.0218 | - | 80/125 | - |
| 1971 | 0.69 | 3.90 | - | - | 0.0209 | - | 82/127 | - |
| 1972 | 0.74 | 3.69 | - | - | 0.0194 | - | 84/127 | - |
| 1973 | 0.95 | 3.06 | - | - | 0.0205 | - | 82/127 | - |
| 1974 | 1.03 | 3.33 | - | - | 0.0193 | - | 88/128 | - |
| 1975 | 1.05 | 3.24 | - | - | 0.0176 | - | 89/130 | - |
| 1976 | 1.06 | 3.26 | - | - | 0.0164 | - | 89/131 | - |
| 1977 | 1.29 | 3.52 | - | - | 0.0176 | - | 89/134 | - |
| 1978 | 1.77 | 3.99 | - | - | 0.0205 | - | 88/133 | - |
| 1979 | 2.11 | 4.28 | - | - | 0.0210 | - | 87/134 | - |
| 1980 | 2.51 | 4.17 | - | - | 0.0222 | - | 90/145 | - |
| 1981 | 2.17 | 4.16 | - | - | 0.0186 | - | 95/148 | - |
| 1982 | 2.02 | 4.25 | - | - | 0.0174 | - | 97/149 | - |
| 1983 | 1.80 | 4.09 | - | - | 0.0152 | - | 97/150 | - |
| 1984 | 1.46 | 3.40 | - | - | 0.0119 | - | 102/151 | - |
| 1985 | 1.44 | 3.66 | - | - | 0.0112 | - | 105/153 | - |
| 1986 | 1.90 | 3.90 | - | - | 0.0125 | - | 102/155 | - |
| 1987 | 2.23 | 3.90 | - | - | 0.0129 | - | 104/159 | - |
| 1988 | 2.28 | 4.17 | - | - | 0.0118 | - | 111/162 | - |
| 1989 | 2.18 | 4.21 | - | - | 0.0108 | - | 115/162 | - |
| 1990 | 3.51 | 4.15 | 6.13 | 9.03 | 0.0154 | 0.0209 | 107/176 | 115/161 |
| 1991 | 3.29 | 4.13 | 6.31 | 8.99 | 0.0137 | 0.0204 | 107/171 | 116/163 |
| 1992 | 3.39 | 4.22 | 6.58 | 9.17 | 0.0133 | 0.0204 | 106/175 | 116/166 |
| 1993 | 3.05 | 4.23 | 6.76 | 9.20 | 0.0118 | 0.0200 | 115/178 | 117/167 |
| 1994 | 1.94 | 4.31 | 7.03 | 9.37 | 0.00699 | 0.0198 | 130/182 | 118/169 |
| 1995 | 2.30 | 4.41 | 7.36 | 9.60 | 0.00745 | 0.0196 | 138/191 | 126/179 |
| 1996 | 2.41 | 4.42 | 7.50 | 9.61 | 0.00763 | 0.0189 | 140/191 | 130/179 |
| 1997 | 2.29 | 4.49 | 7.74 | 9.76 | 0.00728 | 0.0184 | 142/191 | 133/181 |
| 1998 | 2.64 | 4.93 | 8.61 | 10.73 | 0.00841 | 0.0198 | 139/193 | 129/181 |
| 1999 | 2.54 | 4.92 | 8.72 | 10.71 | 0.00780 | 0.0191 | 143/195 | 131/182 |
| 2000 | 2.24 | 4.86 | 8.81 | 10.58 | 0.00666 | 0.0180 | 145/200 | 135/189 |
| 2001 | 2.45 | 5.22 | 9.65 | 11.34 | 0.00732 | 0.0188 | 144/200 | 135/190 |
| 2002 | 2.78 | 5.47 | 10.29 | 11.90 | 0.00801 | 0.0191 | 146/205 | 136/191 |
| 2003 | 3.39 | 5.59 | 10.71 | 12.16 | 0.00870 | 0.0189 | 144/205 | 139/191 |
| 2004 | 3.76 | 5.61 | 11.03 | 12.21 | 0.00857 | 0.0180 | 145/205 | 140/192 |
| 2005 | 4.38 | 6.02 | 12.21 | 13.10 | 0.00921 | 0.0185 | 144/205 | 140/192 |
| 2006 | 4.76 | 6.38 | 13.33 | 13.88 | 0.00924 | 0.0184 | 143/206 | 140/193 |
| 2007 | 5.73 | 6.58 | 14.12 | 14.31 | 0.00987 | 0.0180 | 144/206 | 141/193 |
| 2008 | 7.30 | 7.09 | 15.50 | 15.42 | 0.0115 | 0.0187 | 140/205 | 142/194 |
| 2009 | 7.35 | 7.23 | 15.93 | 15.72 | 0.0122 | 0.0190 | 141/205 | 141/195 |
| 2010 | 7.85 | 7.85 | 17.50 | 17.07 | 0.0119 | 0.0196 | 141/206 | 140/195 |
| 2011 | 8.77 | 8.04 | 18.28 | 17.47 | 0.0119 | 0.0192 | 142/208 | 140/196 |
| 2012 | 9.43 | 8.88 | 20.62 | 19.32 | 0.0125 | 0.0206 | 143/207 | 138/194 |
| 2013 | 10.22 | 9.36 | 20.86 | 20.34 | 0.0132 | 0.0199 | 143/208 | 140/196 |
| 2014 | 10.86 | 9.98 | 21.98 | 21.70 | 0.0137 | 0.0202 | 143/208 | 139/195 |
| 2015 | 9.69 | 10.42 | 22.91 | 22.65 | 0.0129 | 0.0206 | 142/207 | 138/195 |
| 2016 | 10.36 | 11.01 | 23.88 | 23.94 | 0.0136 | 0.0206 | 139/206 | 138/194 |
| 2017 | 11.19 | 11.56 | 25.14 | 25.14 | 0.0138 | 0.0206 | 139/206 | 138/194 |
| 2018 | 12.85 | 12.40 | 27.60 | 26.95 | 0.0149 | 0.0213 | 138/206 | 135/193 |
| 2019 | 12.91 | 13.13 | 29.75 | 28.54 | 0.0147 | 0.0220 | 135/199 | 135/192 |
| 2020 | 13.68 | 13.32 | 30.56 | 28.97 | 0.0162 | 0.0230 | 121/176 | 127/177 |