| Source | World Bank : Nominal (current), Nominal (constant), PPP (current), PPP (constant) |
| IMF World Economic Outlook (April - 2026) | |
| Date | 16 Sep 2026 |
| Year | GDP (billions of $/Int. $) | |
|---|---|---|
| Nominal | PPP | |
| 2025 | 341.025 | 660.974 |
| 2026 | 380.900 | 699.083 |
| 2027 | 386.375 | 734.438 |
| 2028 | 402.720 | 767.413 |
| 2029 | 418.912 | 802.897 |
| 2030 | 437.099 | 840.570 |
| 2031 | 458.414 | 879.713 |
| 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 | 2.57 | 27.51 | - | - | 0.188 | - | 43/111 | - |
| 1961 | 2.90 | 29.54 | - | - | 0.201 | - | 40/113 | - |
| 1962 | 3.28 | 32.50 | - | - | 0.212 | - | 39/115 | - |
| 1963 | 3.60 | 33.91 | - | - | 0.215 | - | 39/115 | - |
| 1964 | 4.35 | 36.13 | - | - | 0.237 | - | 37/115 | - |
| 1965 | 5.16 | 38.16 | - | - | 0.258 | - | 35/121 | - |
| 1966 | 6.11 | 41.30 | - | - | 0.282 | - | 33/122 | - |
| 1967 | 6.19 | 42.89 | - | - | 0.269 | - | 32/125 | - |
| 1968 | 5.74 | 42.96 | - | - | 0.231 | - | 38/126 | - |
| 1969 | 6.42 | 44.47 | - | - | 0.234 | - | 39/126 | - |
| 1970 | 7.43 | 45.96 | - | - | 0.247 | - | 37/146 | - |
| 1971 | 8.29 | 48.07 | - | - | 0.249 | - | 37/147 | - |
| 1972 | 9.19 | 49.75 | - | - | 0.239 | - | 38/147 | - |
| 1973 | 10.99 | 52.87 | - | - | 0.234 | - | 37/147 | - |
| 1974 | 13.86 | 57.83 | - | - | 0.255 | - | 38/147 | - |
| 1975 | 16.93 | 60.32 | - | - | 0.280 | - | 34/150 | - |
| 1976 | 16.13 | 61.19 | - | - | 0.245 | - | 39/150 | - |
| 1977 | 14.54 | 61.41 | - | - | 0.196 | - | 45/153 | - |
| 1978 | 12.49 | 59.78 | - | - | 0.142 | - | 54/152 | - |
| 1979 | 15.95 | 62.23 | - | - | 0.157 | - | 51/153 | - |
| 1980 | 18.14 | 65.93 | 52.43 | - | 0.158 | 0.396 | 58/170 | 43/144 |
| 1981 | 21.65 | 69.59 | 60.52 | - | 0.182 | 0.408 | 53/170 | 43/145 |
| 1982 | 21.79 | 69.43 | 64.06 | - | 0.185 | 0.405 | 51/171 | 43/145 |
| 1983 | 17.35 | 62.21 | 60.35 | - | 0.145 | 0.358 | 58/171 | 47/145 |
| 1984 | 17.60 | 64.45 | 64.91 | - | 0.141 | 0.356 | 59/172 | 46/145 |
| 1985 | 15.08 | 65.78 | 68.36 | - | 0.116 | 0.351 | 62/173 | 46/146 |
| 1986 | 21.86 | 71.98 | 78.18 | - | 0.142 | 0.381 | 54/173 | 42/147 |
| 1987 | 36.89 | 78.98 | 86.32 | - | 0.210 | 0.395 | 45/178 | 42/148 |
| 1988 | 15.44 | 71.52 | 80.94 | - | 0.0788 | 0.343 | 62/179 | 46/148 |
| 1989 | 22.50 | 62.72 | 72.83 | - | 0.110 | 0.286 | 60/179 | 48/148 |
| 1990 | 26.41 | 59.59 | 74.12 | 139.05 | 0.115 | 0.249 | 62/194 | 53/186 |
| 1991 | 34.34 | 60.91 | 78.32 | 142.14 | 0.143 | 0.251 | 53/194 | 55/187 |
| 1992 | 35.97 | 60.59 | 79.67 | 141.37 | 0.140 | 0.244 | 52/196 | 55/188 |
| 1993 | 34.83 | 63.76 | 85.84 | 148.78 | 0.134 | 0.252 | 54/197 | 55/188 |
| 1994 | 44.88 | 71.61 | 98.46 | 167.09 | 0.160 | 0.274 | 51/198 | 52/189 |
| 1995 | 53.31 | 76.92 | 107.98 | 179.48 | 0.170 | 0.285 | 50/200 | 50/191 |
| 1996 | 55.25 | 79.07 | 113.03 | 184.50 | 0.172 | 0.281 | 50/200 | 52/191 |
| 1997 | 58.15 | 84.19 | 122.43 | 196.45 | 0.182 | 0.288 | 50/202 | 53/193 |
| 1998 | 55.50 | 83.86 | 123.32 | 195.68 | 0.175 | 0.281 | 50/203 | 53/193 |
| 1999 | 50.19 | 85.12 | 126.94 | 198.61 | 0.153 | 0.275 | 52/203 | 53/193 |
| 2000 | 51.74 | 87.41 | 133.31 | 203.96 | 0.152 | 0.269 | 53/206 | 53/197 |
| 2001 | 52.03 | 87.95 | 137.15 | 205.22 | 0.154 | 0.264 | 54/207 | 54/197 |
| 2002 | 54.78 | 92.75 | 146.88 | 216.41 | 0.156 | 0.269 | 53/211 | 56/198 |
| 2003 | 58.73 | 96.61 | 156.02 | 225.42 | 0.149 | 0.271 | 54/211 | 55/198 |
| 2004 | 66.77 | 101.40 | 168.16 | 236.60 | 0.151 | 0.270 | 55/211 | 54/199 |
| 2005 | 76.06 | 107.77 | 184.33 | 251.47 | 0.159 | 0.275 | 56/211 | 54/199 |
| 2006 | 88.64 | 115.89 | 204.32 | 270.40 | 0.171 | 0.278 | 55/212 | 53/200 |
| 2007 | 102.17 | 125.76 | 227.73 | 293.44 | 0.174 | 0.286 | 56/212 | 53/201 |
| 2008 | 120.55 | 137.23 | 253.31 | 320.22 | 0.187 | 0.300 | 57/212 | 52/203 |
| 2009 | 120.82 | 138.74 | 257.66 | 323.73 | 0.198 | 0.303 | 54/214 | 52/204 |
| 2010 | 147.53 | 150.30 | 282.52 | 350.70 | 0.221 | 0.312 | 52/214 | 52/204 |
| 2011 | 171.76 | 159.81 | 306.60 | 372.89 | 0.231 | 0.317 | 54/215 | 50/204 |
| 2012 | 192.65 | 169.62 | 317.88 | 395.79 | 0.253 | 0.312 | 53/213 | 49/203 |
| 2013 | 201.18 | 179.55 | 336.66 | 418.95 | 0.257 | 0.315 | 53/213 | 49/203 |
| 2014 | 200.79 | 183.82 | 346.87 | 428.93 | 0.250 | 0.312 | 55/214 | 49/203 |
| 2015 | 189.80 | 189.80 | 353.32 | 442.88 | 0.250 | 0.311 | 49/213 | 48/203 |
| 2016 | 191.90 | 197.31 | 372.45 | 460.39 | 0.249 | 0.314 | 50/213 | 48/203 |
| 2017 | 211.01 | 202.28 | 394.44 | 471.98 | 0.257 | 0.315 | 49/213 | 48/204 |
| 2018 | 222.60 | 210.31 | 417.16 | 490.72 | 0.255 | 0.313 | 51/213 | 49/204 |
| 2019 | 228.35 | 215.02 | 440.13 | 501.71 | 0.257 | 0.312 | 51/214 | 49/204 |
| 2020 | 201.41 | 191.51 | 412.56 | 446.86 | 0.233 | 0.293 | 51/213 | 49/204 |
| 2021 | 226.41 | 217.20 | 506.81 | 506.81 | 0.229 | 0.322 | 51/213 | 47/204 |
| 2022 | 246.17 | 223.32 | 558.16 | 521.10 | 0.239 | 0.318 | 52/212 | 49/204 |
| 2023 | 268.03 | 222.54 | 576.78 | 519.27 | 0.250 | 0.306 | 51/207 | 49/202 |
| 2024 | 291.75 | 230.36 | 611.88 | 537.52 | 0.261 | 0.306 | 49/207 | 48/202 |
| 2025 | 334.85 | 238.27 | 650.60 | 555.96 | 0.283 | 0.308 | 48/207 | 48/202 |