| Source | World Bank : Nominal (current), Nominal (constant), PPP (current), PPP (constant) |
| International Monetary Fund World Economic Outlook (October - 2025) | |
| Date | 08 Jan 2026 |
According to the IMF World Economic Outlook (October 2025), Belgium's nominal GDP in 2025 is projected to be around $717 billion at current prices. Based on PPP, Belgium's GDP in 2025 is forecast at 900 billion international dollars.
Belgium has the tenth-largest economy by GDP (nominal) and 10th by GDP (PPP) in Europe, the 23rd largest by nominal GDP in the world, and 38th by GDP (PPP).
| Year | GDP (billions of $/Int. $) | |
|---|---|---|
| Nominal | PPP | |
| 2024 | 664.365 | 869.850 |
| 2025 | 716.980 | 900.497 |
| 2026 | 761.174 | 925.665 |
| 2027 | 780.384 | 953.064 |
| 2028 | 802.019 | 980.123 |
| 2029 | 824.347 | 1,009.895 |
| 2030 | 849.306 | 1,042.142 |
| 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 | 11.81 | 107.24 | - | - | 0.864 | - | 17/111 | - |
| 1961 | 12.56 | 112.58 | - | - | 0.870 | - | 17/113 | - |
| 1962 | 13.44 | 118.45 | - | - | 0.870 | - | 17/115 | - |
| 1963 | 14.45 | 123.60 | - | - | 0.865 | - | 17/115 | - |
| 1964 | 16.17 | 132.20 | - | - | 0.883 | - | 17/115 | - |
| 1965 | 17.60 | 136.91 | - | - | 0.882 | - | 17/121 | - |
| 1966 | 18.89 | 141.23 | - | - | 0.873 | - | 17/122 | - |
| 1967 | 20.25 | 146.69 | - | - | 0.882 | - | 17/125 | - |
| 1968 | 21.65 | 152.84 | - | - | 0.873 | - | 17/126 | - |
| 1969 | 24.02 | 162.98 | - | - | 0.877 | - | 17/126 | - |
| 1970 | 26.71 | 173.33 | - | - | 0.889 | - | 17/146 | - |
| 1971 | 29.82 | 180.24 | - | - | 0.898 | - | 18/147 | - |
| 1972 | 37.21 | 189.78 | - | - | 0.970 | - | 16/147 | - |
| 1973 | 47.74 | 201.89 | - | - | 1.02 | - | 18/147 | - |
| 1974 | 56.03 | 211.11 | - | - | 1.03 | - | 18/147 | - |
| 1975 | 65.68 | 206.96 | - | - | 1.09 | - | 16/150 | - |
| 1976 | 71.11 | 218.66 | - | - | 1.08 | - | 16/150 | - |
| 1977 | 82.84 | 220.03 | - | - | 1.12 | - | 15/153 | - |
| 1978 | 101.25 | 226.28 | - | - | 1.15 | - | 17/152 | - |
| 1979 | 116.32 | 231.58 | - | - | 1.15 | - | 16/153 | - |
| 1980 | 126.83 | 241.87 | 114.99 | - | 1.11 | 0.870 | 17/170 | 25/144 |
| 1981 | 104.73 | 241.20 | 125.52 | - | 0.884 | 0.848 | 19/170 | 25/145 |
| 1982 | 92.10 | 242.63 | 134.07 | - | 0.786 | 0.849 | 20/171 | 25/145 |
| 1983 | 87.18 | 243.39 | 139.75 | - | 0.729 | 0.830 | 23/171 | 24/145 |
| 1984 | 83.35 | 249.39 | 148.37 | - | 0.671 | 0.814 | 23/172 | 25/145 |
| 1985 | 86.27 | 253.51 | 155.59 | - | 0.663 | 0.799 | 21/173 | 26/146 |
| 1986 | 120.02 | 258.13 | 161.61 | - | 0.782 | 0.788 | 18/173 | 26/147 |
| 1987 | 149.39 | 264.09 | 169.44 | - | 0.855 | 0.776 | 17/178 | 27/148 |
| 1988 | 162.30 | 276.56 | 183.70 | - | 0.831 | 0.779 | 19/179 | 27/148 |
| 1989 | 164.22 | 286.15 | 197.52 | - | 0.805 | 0.778 | 19/179 | 26/148 |
| 1990 | 205.33 | 295.13 | 186.14 | 415.04 | 0.896 | 0.627 | 19/194 | 33/186 |
| 1991 | 210.51 | 300.54 | 195.97 | 422.65 | 0.880 | 0.628 | 19/194 | 32/189 |
| 1992 | 234.78 | 305.14 | 203.50 | 429.12 | 0.919 | 0.623 | 19/196 | 32/190 |
| 1993 | 224.72 | 302.21 | 206.32 | 424.99 | 0.865 | 0.606 | 20/197 | 31/190 |
| 1994 | 244.88 | 311.96 | 217.53 | 438.71 | 0.876 | 0.606 | 20/198 | 31/191 |
| 1995 | 288.03 | 319.40 | 227.38 | 449.17 | 0.922 | 0.600 | 18/200 | 32/192 |
| 1996 | 279.20 | 323.62 | 230.93 | 455.10 | 0.873 | 0.575 | 20/200 | 34/192 |
| 1997 | 252.71 | 335.89 | 241.58 | 472.37 | 0.793 | 0.569 | 22/202 | 33/194 |
| 1998 | 258.53 | 342.48 | 248.63 | 481.64 | 0.815 | 0.566 | 22/203 | 34/194 |
| 1999 | 258.25 | 354.62 | 260.17 | 498.70 | 0.788 | 0.564 | 20/203 | 33/194 |
| 2000 | 236.79 | 367.80 | 284.86 | 517.23 | 0.699 | 0.575 | 22/206 | 32/198 |
| 2001 | 236.75 | 371.84 | 296.22 | 522.92 | 0.703 | 0.570 | 21/207 | 33/198 |
| 2002 | 258.38 | 378.19 | 312.90 | 531.85 | 0.738 | 0.574 | 20/211 | 33/199 |
| 2003 | 318.08 | 382.11 | 320.98 | 537.37 | 0.811 | 0.557 | 19/211 | 32/199 |
| 2004 | 369.21 | 395.76 | 334.14 | 556.56 | 0.835 | 0.537 | 20/211 | 34/199 |
| 2005 | 385.71 | 404.95 | 347.66 | 569.48 | 0.805 | 0.518 | 20/211 | 35/199 |
| 2006 | 408.26 | 415.28 | 371.91 | 584.02 | 0.786 | 0.506 | 20/212 | 36/200 |
| 2007 | 470.92 | 430.55 | 391.02 | 605.49 | 0.805 | 0.491 | 20/212 | 36/201 |
| 2008 | 517.33 | 432.48 | 405.73 | 608.20 | 0.804 | 0.481 | 21/212 | 38/203 |
| 2009 | 485.01 | 424.23 | 409.03 | 596.60 | 0.795 | 0.481 | 20/214 | 37/204 |
| 2010 | 481.56 | 435.73 | 434.13 | 612.77 | 0.721 | 0.479 | 23/214 | 36/204 |
| 2011 | 527.20 | 444.15 | 455.27 | 624.60 | 0.709 | 0.471 | 25/215 | 37/204 |
| 2012 | 498.41 | 445.10 | 471.86 | 625.95 | 0.656 | 0.463 | 25/213 | 39/203 |
| 2013 | 524.10 | 446.46 | 489.50 | 627.86 | 0.672 | 0.458 | 24/213 | 40/203 |
| 2014 | 537.99 | 454.35 | 506.06 | 638.95 | 0.672 | 0.455 | 24/214 | 38/203 |
| 2015 | 461.04 | 461.04 | 519.56 | 648.37 | 0.610 | 0.457 | 26/213 | 38/203 |
| 2016 | 474.27 | 466.55 | 548.61 | 656.11 | 0.617 | 0.463 | 25/213 | 37/203 |
| 2017 | 500.91 | 473.43 | 571.67 | 665.78 | 0.612 | 0.457 | 26/213 | 36/204 |
| 2018 | 542.64 | 482.32 | 599.54 | 678.28 | 0.623 | 0.450 | 24/213 | 36/204 |
| 2019 | 536.73 | 494.10 | 651.57 | 694.85 | 0.607 | 0.462 | 25/214 | 35/204 |
| 2020 | 529.69 | 470.42 | 647.55 | 661.55 | 0.617 | 0.460 | 25/213 | 36/204 |
| 2021 | 598.52 | 499.84 | 702.93 | 702.93 | 0.610 | 0.447 | 25/213 | 38/204 |
| 2022 | 591.09 | 519.61 | 796.10 | 730.73 | 0.578 | 0.454 | 26/212 | 37/204 |
| 2023 | 651.33 | 528.52 | 814.03 | 743.26 | 0.610 | 0.435 | 23/212 | 37/204 |
| 2024 | 671.37 | 534.18 | 856.63 | 751.22 | 0.605 | 0.431 | 23/212 | 37/204 |