| 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 | 13.84 | 44.10 |
| 2021 | 14.75 | 46.35 |
| 2022 | 15.97 | 49.78 |
| 2023 | 17.28 | 53.64 |
| 2024 | 18.52 | 57.61 |
| 2025 | 19.78 | 61.70 |
| 2026 | 21.09 | 65.98 |
| 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 | 0.67 | 4.18 | - | - | 0.0484 | - | 58/99 | - |
| 1961 | 0.70 | 4.26 | - | - | 0.0486 | - | 57/100 | - |
| 1962 | 0.74 | 4.36 | - | - | 0.0479 | - | 60/103 | - |
| 1963 | 0.76 | 4.32 | - | - | 0.0456 | - | 61/103 | - |
| 1964 | 0.80 | 4.49 | - | - | 0.0439 | - | 62/103 | - |
| 1965 | 0.83 | 4.47 | - | - | 0.0418 | - | 69/112 | - |
| 1966 | 0.90 | 4.56 | - | - | 0.0418 | - | 71/114 | - |
| 1967 | 0.96 | 4.81 | - | - | 0.0418 | - | 71/117 | - |
| 1968 | 1.03 | 5.14 | - | - | 0.0416 | - | 73/119 | - |
| 1969 | 1.06 | 5.33 | - | - | 0.0388 | - | 72/119 | - |
| 1970 | 1.11 | 5.61 | - | - | 0.0372 | - | 72/125 | - |
| 1971 | 1.20 | 5.83 | - | - | 0.0364 | - | 72/127 | - |
| 1972 | 1.34 | 5.76 | - | - | 0.0352 | - | 72/127 | - |
| 1973 | 1.65 | 5.61 | - | - | 0.0356 | - | 72/127 | - |
| 1974 | 1.92 | 5.72 | - | - | 0.0359 | - | 75/128 | - |
| 1975 | 2.28 | 5.79 | - | - | 0.0383 | - | 76/130 | - |
| 1976 | 2.18 | 5.62 | - | - | 0.0336 | - | 80/131 | - |
| 1977 | 2.36 | 5.75 | - | - | 0.0322 | - | 80/134 | - |
| 1978 | 2.67 | 5.60 | - | - | 0.0309 | - | 78/133 | - |
| 1979 | 3.46 | 6.15 | - | - | 0.0345 | - | 76/134 | - |
| 1980 | 5.20 | 6.21 | - | - | 0.0460 | - | 71/145 | - |
| 1981 | 4.76 | 5.60 | - | - | 0.0407 | - | 75/148 | - |
| 1982 | 4.78 | 5.49 | - | - | 0.0413 | - | 74/149 | - |
| 1983 | 4.69 | 5.54 | - | - | 0.0397 | - | 76/150 | - |
| 1984 | 3.91 | 5.64 | - | - | 0.0319 | - | 79/151 | - |
| 1985 | 3.80 | 5.70 | - | - | 0.0295 | - | 81/153 | - |
| 1986 | 4.35 | 5.82 | - | - | 0.0286 | - | 80/155 | - |
| 1987 | 3.21 | 5.88 | - | - | 0.0185 | - | 92/159 | - |
| 1988 | 3.19 | 6.08 | - | - | 0.0165 | - | 98/162 | - |
| 1989 | 3.18 | 6.33 | - | - | 0.0157 | - | 97/162 | - |
| 1990 | 3.93 | 6.53 | 14.07 | 21.49 | 0.0173 | 0.0480 | 103/176 | 89/161 |
| 1991 | 3.25 | 6.12 | 13.63 | 20.14 | 0.0136 | 0.0441 | 109/171 | 94/163 |
| 1992 | 3.71 | 6.19 | 14.10 | 20.38 | 0.0146 | 0.0436 | 101/175 | 95/166 |
| 1993 | 4.06 | 6.32 | 14.74 | 20.80 | 0.0157 | 0.0437 | 103/178 | 95/167 |
| 1994 | 3.52 | 6.32 | 15.05 | 20.79 | 0.0127 | 0.0424 | 113/182 | 96/169 |
| 1995 | 3.84 | 6.42 | 15.62 | 21.14 | 0.0124 | 0.0416 | 120/191 | 101/179 |
| 1996 | 4.93 | 6.56 | 16.25 | 21.60 | 0.0156 | 0.0409 | 112/191 | 101/179 |
| 1997 | 4.26 | 6.80 | 17.14 | 22.40 | 0.0135 | 0.0408 | 119/191 | 102/181 |
| 1998 | 4.40 | 7.07 | 18.01 | 23.27 | 0.0140 | 0.0414 | 118/193 | 102/181 |
| 1999 | 4.28 | 7.40 | 19.13 | 24.37 | 0.0131 | 0.0420 | 122/195 | 102/182 |
| 2000 | 4.63 | 7.73 | 20.43 | 25.45 | 0.0138 | 0.0417 | 123/200 | 103/189 |
| 2001 | 5.44 | 8.20 | 22.13 | 26.98 | 0.0163 | 0.0431 | 117/200 | 102/190 |
| 2002 | 5.35 | 7.18 | 19.69 | 23.63 | 0.0154 | 0.0366 | 120/205 | 108/191 |
| 2003 | 6.37 | 7.88 | 22.02 | 25.94 | 0.0164 | 0.0388 | 117/205 | 106/191 |
| 2004 | 5.06 | 8.30 | 23.80 | 27.30 | 0.0115 | 0.0387 | 135/205 | 106/192 |
| 2005 | 5.86 | 8.69 | 25.71 | 28.60 | 0.0123 | 0.0389 | 137/205 | 109/192 |
| 2006 | 6.40 | 9.16 | 27.91 | 30.15 | 0.0124 | 0.0385 | 138/206 | 108/193 |
| 2007 | 8.52 | 9.68 | 30.30 | 31.87 | 0.0147 | 0.0386 | 132/206 | 109/193 |
| 2008 | 10.73 | 10.33 | 32.96 | 34.01 | 0.0168 | 0.0397 | 125/205 | 109/194 |
| 2009 | 9.62 | 9.92 | 31.89 | 32.65 | 0.0159 | 0.0380 | 131/205 | 111/195 |
| 2010 | 9.98 | 9.98 | 32.47 | 32.86 | 0.0151 | 0.0363 | 134/206 | 110/195 |
| 2011 | 11.55 | 10.14 | 33.67 | 33.38 | 0.0157 | 0.0354 | 132/208 | 111/196 |
| 2012 | 11.58 | 10.45 | 34.21 | 34.38 | 0.0154 | 0.0342 | 135/207 | 114/194 |
| 2013 | 12.42 | 10.69 | 35.26 | 35.17 | 0.0161 | 0.0336 | 134/208 | 113/196 |
| 2014 | 12.52 | 11.04 | 36.70 | 36.35 | 0.0158 | 0.0337 | 135/208 | 113/195 |
| 2015 | 11.32 | 11.39 | 37.49 | 37.48 | 0.0150 | 0.0337 | 137/207 | 112/195 |
| 2016 | 11.85 | 11.84 | 40.00 | 38.98 | 0.0155 | 0.0345 | 130/206 | 111/194 |
| 2017 | 13.18 | 12.31 | 40.51 | 40.51 | 0.0162 | 0.0332 | 129/206 | 113/194 |
| 2018 | 13.61 | 12.70 | 42.81 | 41.81 | 0.0158 | 0.0331 | 132/206 | 114/193 |
| 2019 | 14.19 | 13.26 | 45.50 | 43.65 | 0.0162 | 0.0336 | 128/199 | 114/192 |
| 2020 | 13.72 | 12.71 | 44.11 | 41.82 | 0.0162 | 0.0333 | 120/176 | 107/177 |