| 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 | 355.346 | 714.291 |
| 2026 | 407.850 | 752.358 |
| 2027 | 434.037 | 788.655 |
| 2028 | 455.022 | 820.266 |
| 2029 | 475.623 | 854.152 |
| 2030 | 496.763 | 889.550 |
| 2031 | 519.088 | 926.117 |
| 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 | 4.21 | 26.28 | - | - | 0.308 | - | 30/111 | - |
| 1961 | 4.95 | 27.73 | - | - | 0.342 | - | 28/113 | - |
| 1962 | 5.77 | 28.82 | - | - | 0.373 | - | 27/115 | - |
| 1963 | 5.70 | 30.45 | - | - | 0.341 | - | 29/115 | - |
| 1964 | 6.07 | 31.20 | - | - | 0.331 | - | 28/115 | - |
| 1965 | 6.18 | 31.41 | - | - | 0.309 | - | 29/121 | - |
| 1966 | 7.26 | 35.01 | - | - | 0.335 | - | 27/122 | - |
| 1967 | 7.15 | 36.27 | - | - | 0.311 | - | 31/125 | - |
| 1968 | 7.29 | 37.57 | - | - | 0.294 | - | 31/126 | - |
| 1969 | 8.46 | 39.11 | - | - | 0.308 | - | 31/126 | - |
| 1970 | 9.26 | 39.77 | - | - | 0.308 | - | 30/146 | - |
| 1971 | 11.00 | 43.58 | - | - | 0.331 | - | 28/147 | - |
| 1972 | 12.06 | 43.27 | - | - | 0.314 | - | 29/147 | - |
| 1973 | 17.24 | 41.09 | - | - | 0.367 | - | 27/147 | - |
| 1974 | 16.58 | 41.60 | - | - | 0.305 | - | 34/147 | - |
| 1975 | 7.81 | 36.49 | - | - | 0.129 | - | 55/150 | - |
| 1976 | 10.52 | 37.81 | - | - | 0.160 | - | 50/150 | - |
| 1977 | 14.27 | 42.03 | - | - | 0.192 | - | 47/153 | - |
| 1978 | 16.37 | 45.40 | - | - | 0.186 | - | 46/152 | - |
| 1979 | 22.25 | 49.23 | - | - | 0.219 | - | 43/153 | - |
| 1980 | 29.59 | 53.25 | 38.88 | - | 0.258 | 0.294 | 44/170 | 48/144 |
| 1981 | 35.18 | 56.83 | 45.20 | - | 0.296 | 0.305 | 41/170 | 48/145 |
| 1982 | 19.71 | 50.29 | 41.47 | - | 0.168 | 0.262 | 57/171 | 50/145 |
| 1983 | 20.63 | 47.81 | 41.89 | - | 0.172 | 0.249 | 54/171 | 50/145 |
| 1984 | 19.97 | 49.72 | 45.96 | - | 0.160 | 0.252 | 54/172 | 50/145 |
| 1985 | 17.93 | 51.48 | 48.34 | - | 0.137 | 0.248 | 57/173 | 50/146 |
| 1986 | 19.20 | 54.27 | 52.08 | - | 0.125 | 0.254 | 58/173 | 50/147 |
| 1987 | 22.61 | 57.92 | 56.88 | - | 0.129 | 0.260 | 58/178 | 49/148 |
| 1988 | 26.17 | 62.18 | 63.18 | - | 0.134 | 0.267 | 55/179 | 49/148 |
| 1989 | 30.10 | 68.62 | 72.62 | - | 0.147 | 0.285 | 53/179 | 49/148 |
| 1990 | 33.43 | 71.09 | 59.72 | 147.21 | 0.145 | 0.201 | 55/194 | 59/186 |
| 1991 | 38.23 | 76.60 | 66.75 | 158.63 | 0.159 | 0.214 | 50/194 | 57/187 |
| 1992 | 46.54 | 85.41 | 77.24 | 176.87 | 0.182 | 0.236 | 48/196 | 56/188 |
| 1993 | 49.93 | 91.13 | 85.47 | 188.70 | 0.192 | 0.251 | 48/197 | 56/188 |
| 1994 | 57.44 | 95.75 | 92.71 | 198.27 | 0.205 | 0.258 | 44/198 | 55/189 |
| 1995 | 73.82 | 104.61 | 105.06 | 216.63 | 0.236 | 0.277 | 43/200 | 52/191 |
| 1996 | 78.58 | 112.06 | 116.33 | 232.04 | 0.245 | 0.290 | 42/200 | 51/191 |
| 1997 | 85.74 | 120.34 | 127.08 | 249.19 | 0.268 | 0.299 | 43/202 | 50/193 |
| 1998 | 81.99 | 125.37 | 133.88 | 259.61 | 0.258 | 0.305 | 43/203 | 50/193 |
| 1999 | 75.58 | 125.03 | 135.41 | 258.90 | 0.230 | 0.294 | 45/203 | 51/193 |
| 2000 | 78.34 | 131.24 | 145.36 | 271.77 | 0.231 | 0.293 | 46/206 | 51/197 |
| 2001 | 71.57 | 135.38 | 153.32 | 280.34 | 0.212 | 0.295 | 47/207 | 51/197 |
| 2002 | 70.26 | 139.72 | 160.69 | 289.32 | 0.200 | 0.295 | 49/211 | 51/198 |
| 2003 | 76.49 | 146.32 | 171.60 | 302.99 | 0.195 | 0.298 | 50/211 | 48/198 |
| 2004 | 99.08 | 156.08 | 187.97 | 323.21 | 0.224 | 0.302 | 48/211 | 50/199 |
| 2005 | 122.29 | 165.19 | 205.18 | 342.07 | 0.255 | 0.306 | 46/211 | 50/199 |
| 2006 | 153.84 | 175.19 | 256.07 | 362.77 | 0.296 | 0.348 | 45/212 | 47/200 |
| 2007 | 172.49 | 184.24 | 278.37 | 381.52 | 0.294 | 0.350 | 47/212 | 47/201 |
| 2008 | 179.89 | 191.23 | 275.75 | 395.97 | 0.279 | 0.327 | 50/212 | 51/203 |
| 2009 | 171.78 | 189.09 | 271.33 | 391.55 | 0.281 | 0.319 | 49/214 | 51/204 |
| 2010 | 217.05 | 200.15 | 307.86 | 414.46 | 0.324 | 0.340 | 45/214 | 48/204 |
| 2011 | 251.38 | 212.61 | 349.15 | 440.26 | 0.338 | 0.361 | 41/215 | 46/204 |
| 2012 | 267.02 | 225.70 | 374.32 | 467.35 | 0.351 | 0.368 | 39/213 | 45/203 |
| 2013 | 277.40 | 233.16 | 392.67 | 482.82 | 0.355 | 0.367 | 40/213 | 46/203 |
| 2014 | 259.56 | 237.34 | 402.90 | 491.47 | 0.323 | 0.362 | 44/214 | 46/203 |
| 2015 | 242.45 | 242.45 | 405.50 | 502.05 | 0.320 | 0.357 | 43/213 | 46/203 |
| 2016 | 249.34 | 246.70 | 424.83 | 510.85 | 0.323 | 0.359 | 45/213 | 44/203 |
| 2017 | 276.15 | 250.05 | 450.89 | 517.78 | 0.336 | 0.360 | 44/213 | 43/204 |
| 2018 | 295.86 | 260.03 | 478.09 | 538.44 | 0.339 | 0.359 | 44/213 | 44/204 |
| 2019 | 278.31 | 261.70 | 491.73 | 541.91 | 0.313 | 0.349 | 45/214 | 45/204 |
| 2020 | 254.10 | 245.63 | 491.18 | 508.64 | 0.294 | 0.349 | 46/213 | 45/204 |
| 2021 | 315.51 | 273.48 | 566.31 | 566.31 | 0.319 | 0.360 | 45/213 | 44/204 |
| 2022 | 301.10 | 279.13 | 604.56 | 578.00 | 0.293 | 0.344 | 46/212 | 46/204 |
| 2023 | 335.80 | 281.02 | 652.15 | 581.91 | 0.313 | 0.346 | 47/207 | 45/202 |
| 2024 | 329.26 | 288.90 | 712.93 | 598.23 | 0.295 | 0.357 | 46/207 | 43/202 |
| 2025 | 357.37 | 296.01 | 750.19 | 612.95 | 0.302 | 0.355 | 46/207 | 43/202 |