| 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 | 14.56 | 22.05 |
| 2021 | 16.48 | 23.50 |
| 2022 | 17.90 | 25.37 |
| 2023 | 19.04 | 27.14 |
| 2024 | 20.29 | 28.97 |
| 2025 | 21.63 | 30.86 |
| 2026 | 23.05 | 32.85 |
| 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 | - | - | - | - | - | - | - | - |
| 1962 | - | - | - | - | - | - | - | - |
| 1963 | - | - | - | - | - | - | - | - |
| 1964 | - | - | - | - | - | - | - | - |
| 1965 | - | - | - | - | - | - | - | - |
| 1966 | - | - | - | - | - | - | - | - |
| 1967 | - | - | - | - | - | - | - | - |
| 1968 | - | - | - | - | - | - | - | - |
| 1969 | - | - | - | - | - | - | - | - |
| 1970 | 0.25 | 1.01 | - | - | 0.00837 | - | 105/125 | - |
| 1971 | 0.26 | 1.03 | - | - | 0.00788 | - | 106/127 | - |
| 1972 | 0.30 | 1.09 | - | - | 0.00788 | - | 106/127 | - |
| 1973 | 0.35 | 1.14 | - | - | 0.00755 | - | 106/127 | - |
| 1974 | 0.38 | 1.25 | - | - | 0.00711 | - | 108/128 | - |
| 1975 | 0.47 | 1.49 | - | - | 0.00789 | - | 109/130 | - |
| 1976 | 0.53 | 1.75 | - | - | 0.00818 | - | 109/131 | - |
| 1977 | 0.63 | 1.96 | - | - | 0.00860 | - | 109/134 | - |
| 1978 | 0.79 | 2.18 | - | - | 0.00915 | - | 108/133 | - |
| 1979 | 1.00 | 2.41 | - | - | 0.00997 | - | 106/134 | - |
| 1980 | 1.25 | 2.58 | - | - | 0.0111 | - | 104/145 | - |
| 1981 | 1.24 | 2.67 | - | - | 0.0106 | - | 106/148 | - |
| 1982 | 1.23 | 2.73 | - | - | 0.0106 | - | 106/149 | - |
| 1983 | 1.17 | 2.71 | - | - | 0.00990 | - | 107/150 | - |
| 1984 | 1.10 | 2.74 | - | - | 0.00898 | - | 111/151 | - |
| 1985 | 1.12 | 2.81 | - | - | 0.00870 | - | 112/153 | - |
| 1986 | 1.44 | 2.92 | - | - | 0.00946 | - | 112/155 | - |
| 1987 | 1.75 | 3.04 | - | - | 0.0101 | - | 114/159 | - |
| 1988 | 2.02 | 3.29 | - | - | 0.0104 | - | 117/162 | - |
| 1989 | 2.12 | 3.56 | - | - | 0.0105 | - | 116/162 | - |
| 1990 | 2.55 | 3.78 | 3.19 | 5.70 | 0.0112 | 0.0109 | 126/176 | 129/161 |
| 1991 | 2.75 | 4.02 | 3.50 | 6.06 | 0.0115 | 0.0113 | 115/171 | 131/163 |
| 1992 | 3.02 | 4.21 | 3.75 | 6.35 | 0.0119 | 0.0116 | 112/175 | 132/166 |
| 1993 | 2.71 | 4.40 | 4.01 | 6.63 | 0.0105 | 0.0119 | 118/178 | 132/167 |
| 1994 | 3.00 | 4.65 | 4.33 | 7.00 | 0.0108 | 0.0122 | 118/182 | 132/169 |
| 1995 | 3.72 | 4.94 | 4.70 | 7.45 | 0.0120 | 0.0125 | 122/191 | 141/179 |
| 1996 | 3.82 | 5.13 | 4.96 | 7.73 | 0.0121 | 0.0125 | 123/191 | 142/179 |
| 1997 | 3.79 | 5.40 | 5.29 | 8.14 | 0.0120 | 0.0126 | 124/191 | 142/181 |
| 1998 | 4.01 | 5.67 | 5.58 | 8.55 | 0.0128 | 0.0128 | 123/193 | 143/181 |
| 1999 | 4.12 | 5.94 | 5.86 | 8.96 | 0.0126 | 0.0129 | 125/195 | 144/182 |
| 2000 | 4.07 | 7.11 | 7.16 | 10.72 | 0.0121 | 0.0146 | 125/200 | 143/189 |
| 2001 | 4.09 | 7.03 | 7.28 | 10.59 | 0.0122 | 0.0142 | 125/200 | 147/190 |
| 2002 | 4.47 | 7.21 | 7.76 | 10.87 | 0.0129 | 0.0144 | 124/205 | 146/191 |
| 2003 | 5.45 | 7.50 | 8.33 | 11.31 | 0.0140 | 0.0147 | 124/205 | 146/191 |
| 2004 | 6.10 | 7.51 | 8.64 | 11.33 | 0.0139 | 0.0141 | 125/205 | 148/192 |
| 2005 | 6.42 | 7.77 | 9.01 | 11.71 | 0.0135 | 0.0136 | 129/205 | 148/192 |
| 2006 | 6.78 | 7.96 | 9.44 | 12.00 | 0.0132 | 0.0130 | 135/206 | 148/193 |
| 2007 | 7.93 | 8.34 | 10.18 | 12.58 | 0.0137 | 0.0130 | 137/206 | 149/193 |
| 2008 | 9.09 | 8.66 | 10.86 | 13.06 | 0.0143 | 0.0131 | 136/205 | 150/194 |
| 2009 | 8.70 | 8.56 | 11.00 | 12.91 | 0.0144 | 0.0131 | 137/205 | 149/195 |
| 2010 | 9.04 | 9.04 | 11.91 | 13.62 | 0.0137 | 0.0133 | 139/206 | 149/195 |
| 2011 | 9.64 | 9.08 | 12.06 | 13.69 | 0.0131 | 0.0127 | 141/208 | 149/196 |
| 2012 | 9.46 | 9.45 | 12.70 | 14.25 | 0.0126 | 0.0127 | 142/207 | 148/194 |
| 2013 | 10.55 | 9.97 | 13.76 | 15.03 | 0.0136 | 0.0131 | 142/208 | 148/196 |
| 2014 | 11.63 | 10.73 | 14.92 | 16.18 | 0.0146 | 0.0137 | 139/208 | 147/195 |
| 2015 | 11.09 | 11.76 | 16.67 | 17.73 | 0.0147 | 0.0150 | 138/207 | 145/195 |
| 2016 | 11.72 | 12.24 | 18.16 | 18.46 | 0.0153 | 0.0157 | 132/206 | 143/194 |
| 2017 | 13.22 | 13.24 | 19.96 | 19.96 | 0.0163 | 0.0164 | 127/206 | 144/194 |
| 2018 | 14.86 | 13.92 | 21.56 | 20.99 | 0.0172 | 0.0167 | 126/206 | 143/193 |
| 2019 | 15.22 | 14.69 | 23.57 | 22.15 | 0.0174 | 0.0174 | 125/199 | 143/192 |
| 2020 | 14.65 | 13.66 | 22.40 | 20.60 | 0.0173 | 0.0169 | 117/176 | 138/177 |