| 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 | 11.40 | 25.71 |
| 2021 | 12.21 | 27.91 |
| 2022 | 13.39 | 30.03 |
| 2023 | 14.08 | 31.93 |
| 2024 | 14.60 | 33.74 |
| 2025 | 15.12 | 35.54 |
| 2026 | 15.70 | 37.40 |
| 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 | - | - | - | - | - | - | - | - |
| 1971 | - | - | - | - | - | - | - | - |
| 1972 | - | - | - | - | - | - | - | - |
| 1973 | - | - | - | - | - | - | - | - |
| 1974 | - | - | - | - | - | - | - | - |
| 1975 | - | - | - | - | - | - | - | - |
| 1976 | 0.70 | 2.18 | - | - | 0.0108 | - | 100/131 | - |
| 1977 | 0.82 | 2.32 | - | - | 0.0112 | - | 95/134 | - |
| 1978 | 1.02 | 2.41 | - | - | 0.0118 | - | 93/133 | - |
| 1979 | 1.21 | 2.50 | - | - | 0.0121 | - | 94/134 | - |
| 1980 | 1.13 | 2.25 | - | - | 0.0100 | - | 110/145 | - |
| 1981 | 1.14 | 2.38 | - | - | 0.00975 | - | 110/148 | - |
| 1982 | 1.08 | 2.51 | - | - | 0.00932 | - | 113/149 | - |
| 1983 | 1.09 | 2.52 | - | - | 0.00923 | - | 113/150 | - |
| 1984 | 1.04 | 2.64 | - | - | 0.00849 | - | 115/151 | - |
| 1985 | 1.08 | 2.82 | - | - | 0.00839 | - | 115/153 | - |
| 1986 | 1.46 | 3.09 | - | - | 0.00960 | - | 111/155 | - |
| 1987 | 1.88 | 3.37 | - | - | 0.0109 | - | 112/159 | - |
| 1988 | 2.13 | 3.60 | - | - | 0.0110 | - | 114/162 | - |
| 1989 | 2.18 | 3.76 | - | - | 0.0108 | - | 113/162 | - |
| 1990 | 2.65 | 4.03 | 5.24 | 8.46 | 0.0116 | 0.0179 | 122/176 | 120/161 |
| 1991 | 2.86 | 4.21 | 5.65 | 8.83 | 0.0120 | 0.0183 | 114/171 | 121/163 |
| 1992 | 3.22 | 4.48 | 6.16 | 9.41 | 0.0127 | 0.0191 | 109/175 | 120/166 |
| 1993 | 3.26 | 4.71 | 6.63 | 9.89 | 0.0126 | 0.0197 | 109/178 | 120/167 |
| 1994 | 3.56 | 4.90 | 7.05 | 10.30 | 0.0128 | 0.0198 | 110/182 | 117/169 |
| 1995 | 4.04 | 5.11 | 7.50 | 10.74 | 0.0131 | 0.0200 | 117/191 | 125/179 |
| 1996 | 4.42 | 5.40 | 8.07 | 11.34 | 0.0140 | 0.0203 | 117/191 | 126/179 |
| 1997 | 4.19 | 5.71 | 8.67 | 11.98 | 0.0133 | 0.0206 | 120/191 | 127/181 |
| 1998 | 4.17 | 6.05 | 9.30 | 12.71 | 0.0133 | 0.0214 | 119/193 | 126/181 |
| 1999 | 4.34 | 6.21 | 9.69 | 13.04 | 0.0133 | 0.0213 | 121/195 | 127/182 |
| 2000 | 4.66 | 6.72 | 10.71 | 14.11 | 0.0138 | 0.0219 | 121/200 | 127/189 |
| 2001 | 4.61 | 6.95 | 11.32 | 14.59 | 0.0138 | 0.0220 | 122/200 | 128/190 |
| 2002 | 4.84 | 7.06 | 11.68 | 14.82 | 0.0139 | 0.0217 | 123/205 | 129/191 |
| 2003 | 5.82 | 7.48 | 12.60 | 15.70 | 0.0149 | 0.0222 | 121/205 | 129/191 |
| 2004 | 6.58 | 7.80 | 13.50 | 16.38 | 0.0150 | 0.0220 | 122/205 | 131/192 |
| 2005 | 6.49 | 7.94 | 14.17 | 16.67 | 0.0137 | 0.0214 | 128/205 | 135/192 |
| 2006 | 7.03 | 8.33 | 15.31 | 17.48 | 0.0136 | 0.0211 | 131/206 | 136/193 |
| 2007 | 8.15 | 8.80 | 16.62 | 18.48 | 0.0140 | 0.0212 | 136/206 | 135/193 |
| 2008 | 9.99 | 9.28 | 17.86 | 19.48 | 0.0157 | 0.0215 | 131/205 | 135/194 |
| 2009 | 9.13 | 9.58 | 18.59 | 20.12 | 0.0151 | 0.0222 | 135/205 | 136/195 |
| 2010 | 10.00 | 10.00 | 19.63 | 21.00 | 0.0151 | 0.0220 | 133/206 | 136/195 |
| 2011 | 11.52 | 10.41 | 20.86 | 21.86 | 0.0157 | 0.0219 | 133/208 | 136/196 |
| 2012 | 11.67 | 10.78 | 21.30 | 22.62 | 0.0155 | 0.0213 | 134/207 | 135/194 |
| 2013 | 12.13 | 11.14 | 22.49 | 23.38 | 0.0157 | 0.0214 | 135/208 | 136/196 |
| 2014 | 12.80 | 11.55 | 23.31 | 24.26 | 0.0161 | 0.0214 | 134/208 | 136/195 |
| 2015 | 11.69 | 11.97 | 24.28 | 25.12 | 0.0155 | 0.0218 | 133/207 | 137/195 |
| 2016 | 12.23 | 12.42 | 26.16 | 26.09 | 0.0160 | 0.0226 | 126/206 | 133/194 |
| 2017 | 13.26 | 12.90 | 27.08 | 27.08 | 0.0163 | 0.0222 | 126/206 | 135/194 |
| 2018 | 14.18 | 13.38 | 28.77 | 28.10 | 0.0164 | 0.0222 | 129/206 | 134/193 |
| 2019 | 14.05 | 13.79 | 30.17 | 28.95 | 0.0160 | 0.0223 | 129/199 | 133/192 |
| 2020 | 10.91 | 11.74 | 26.00 | 24.64 | 0.0129 | 0.0196 | 131/176 | 134/177 |