| Source | World Bank : Nominal (current), Nominal (constant), PPP (current), PPP (constant) |
| IMF World Economic Outlook (April 2024) | |
| Date | 18 Sep 2024 |
| Year | GDP (billions of $/Int. $) | |
|---|---|---|
| Nominal | PPP | |
| 2023 | 15.13 | 32.66 |
| 2024 | 15.51 | 34.25 |
| 2025 | 16.32 | 35.73 |
| 2026 | 17.03 | 37.47 |
| 2027 | 17.77 | 39.34 |
| 2028 | 18.68 | 41.31 |
| 2029 | 19.77 | 43.40 |
| Year | GDP Nominal (billions of $) | GDP PPP (billions Int. $) | Share (%) to World | Rank/Total | ||||
|---|---|---|---|---|---|---|---|---|
| Current | Constant (2015) | Current | Constant (2021) | Nominal | PPP | Nominal | PPP | |
| 1960 | - | - | - | - | - | - | - | - |
| 1961 | - | - | - | - | - | - | - | - |
| 1962 | - | - | - | - | - | - | - | - |
| 1963 | - | - | - | - | - | - | - | - |
| 1964 | - | - | - | - | - | - | - | - |
| 1965 | 0.11 | - | - | - | 0.00553 | - | 105/116 | - |
| 1966 | 0.13 | - | - | - | 0.00603 | - | 104/117 | - |
| 1967 | 0.14 | - | - | - | 0.00610 | - | 107/120 | - |
| 1968 | 0.16 | - | - | - | 0.00645 | - | 108/121 | - |
| 1969 | 0.16 | - | - | - | 0.00585 | - | 109/121 | - |
| 1970 | 0.18 | - | - | - | 0.00600 | - | 117/141 | - |
| 1971 | 0.20 | - | - | - | 0.00603 | - | 117/142 | - |
| 1972 | 0.27 | - | - | - | 0.00704 | - | 112/142 | - |
| 1973 | 0.43 | - | - | - | 0.00922 | - | 105/142 | - |
| 1974 | 1.07 | 6.71 | - | - | 0.0200 | - | 89/142 | - |
| 1975 | 1.17 | 6.73 | - | - | 0.0195 | - | 88/145 | - |
| 1976 | 1.42 | 8.09 | - | - | 0.0218 | - | 89/145 | - |
| 1977 | 1.73 | 8.97 | - | - | 0.0235 | - | 87/148 | - |
| 1978 | 1.94 | 9.58 | - | - | 0.0223 | - | 89/147 | - |
| 1979 | 2.80 | 11.74 | - | - | 0.0277 | - | 85/148 | - |
| 1980 | 4.93 | 10.92 | - | - | 0.0432 | - | 73/155 | - |
| 1981 | 4.37 | 8.76 | - | - | 0.0370 | - | 78/156 | - |
| 1982 | 4.26 | 9.10 | - | - | 0.0366 | - | 80/158 | - |
| 1983 | 3.84 | 9.15 | - | - | 0.0321 | - | 83/159 | - |
| 1984 | 3.78 | 9.20 | - | - | 0.0304 | - | 83/161 | - |
| 1985 | 3.52 | 9.06 | - | - | 0.0270 | - | 86/163 | - |
| 1986 | 2.36 | 8.82 | - | - | 0.0154 | - | 96/163 | - |
| 1987 | 2.75 | 9.00 | - | - | 0.0157 | - | 98/169 | - |
| 1988 | 2.69 | 9.09 | - | - | 0.0138 | - | 104/172 | - |
| 1989 | 2.99 | 9.00 | - | - | 0.0147 | - | 103/173 | - |
| 1990 | 3.52 | 9.09 | 14.45 | 24.33 | 0.0154 | 0.0488 | 111/188 | 100/186 |
| 1991 | 3.70 | 9.38 | 15.41 | 25.09 | 0.0155 | 0.0495 | 110/188 | 102/187 |
| 1992 | 4.18 | 9.83 | 16.51 | 26.28 | 0.0164 | 0.0508 | 105/191 | 99/188 |
| 1993 | 4.11 | 9.86 | 16.95 | 26.36 | 0.0158 | 0.0500 | 109/195 | 100/188 |
| 1994 | 4.09 | 10.17 | 17.86 | 27.19 | 0.0146 | 0.0500 | 111/196 | 99/189 |
| 1995 | 4.73 | 10.62 | 19.05 | 28.41 | 0.0152 | 0.0505 | 112/199 | 98/190 |
| 1996 | 5.12 | 10.93 | 19.96 | 29.23 | 0.0161 | 0.0499 | 113/199 | 100/190 |
| 1997 | 5.20 | 10.77 | 20.00 | 28.80 | 0.0164 | 0.0473 | 112/199 | 100/192 |
| 1998 | 4.05 | 10.71 | 20.12 | 28.64 | 0.0128 | 0.0460 | 124/201 | 101/192 |
| 1999 | 4.60 | 11.03 | 21.02 | 29.51 | 0.0141 | 0.0458 | 120/202 | 102/192 |
| 2000 | 6.00 | 11.35 | 22.11 | 30.35 | 0.0177 | 0.0449 | 112/203 | 101/194 |
| 2001 | 5.60 | 11.66 | 23.23 | 31.19 | 0.0167 | 0.0450 | 117/204 | 101/194 |
| 2002 | 5.84 | 12.11 | 24.51 | 32.39 | 0.0167 | 0.0453 | 118/208 | 101/195 |
| 2003 | 6.56 | 12.46 | 25.72 | 33.33 | 0.0168 | 0.0450 | 116/208 | 100/195 |
| 2004 | 7.87 | 12.53 | 26.54 | 33.50 | 0.0178 | 0.0429 | 116/208 | 102/195 |
| 2005 | 9.53 | 12.57 | 27.48 | 33.63 | 0.0200 | 0.0413 | 114/208 | 105/195 |
| 2006 | 11.47 | 13.13 | 29.57 | 35.11 | 0.0222 | 0.0405 | 110/209 | 105/196 |
| 2007 | 12.25 | 13.15 | 30.42 | 35.17 | 0.0210 | 0.0385 | 115/209 | 108/196 |
| 2008 | 14.39 | 12.89 | 30.40 | 34.48 | 0.0225 | 0.0363 | 115/210 | 114/199 |
| 2009 | 10.73 | 12.67 | 30.05 | 33.88 | 0.0177 | 0.0356 | 124/210 | 112/200 |
| 2010 | 13.71 | 12.99 | 31.21 | 34.76 | 0.0206 | 0.0347 | 119/210 | 112/200 |
| 2011 | 18.53 | 13.48 | 33.04 | 36.06 | 0.0251 | 0.0345 | 112/213 | 113/201 |
| 2012 | 19.05 | 13.60 | 35.39 | 36.39 | 0.0252 | 0.0351 | 113/211 | 111/199 |
| 2013 | 18.09 | 13.32 | 34.23 | 35.61 | 0.0233 | 0.0323 | 118/211 | 116/200 |
| 2014 | 17.10 | 12.98 | 33.85 | 34.72 | 0.0214 | 0.0308 | 122/212 | 115/199 |
| 2015 | 12.93 | 12.93 | 26.48 | 34.58 | 0.0172 | 0.0235 | 127/210 | 129/199 |
| 2016 | 11.40 | 12.61 | 24.23 | 33.73 | 0.0149 | 0.0207 | 134/210 | 140/198 |
| 2017 | 12.13 | 12.78 | 26.68 | 34.17 | 0.0149 | 0.0216 | 136/210 | 137/199 |
| 2018 | 13.57 | 12.78 | 28.52 | 34.19 | 0.0157 | 0.0217 | 134/210 | 136/199 |
| 2019 | 13.47 | 13.28 | 30.70 | 35.52 | 0.0153 | 0.0220 | 134/210 | 135/199 |
| 2020 | 12.01 | 13.43 | 31.22 | 35.92 | 0.0140 | 0.0225 | 136/209 | 133/198 |
| 2021 | 14.01 | 13.22 | 35.35 | 35.35 | 0.0144 | 0.0227 | 133/208 | 135/198 |
| 2022 | 16.68 | 13.00 | 37.22 | 34.77 | 0.0165 | 0.0216 | 128/202 | 134/194 |
| 2023 | 15.13 | 13.18 | 39.12 | 35.26 | 0.0144 | 0.0212 | 134/186 | 131/184 |