| Fig.&Table2. Real world prices of rice, wheat, corn and soybean (Annual since 1961, $/t) | ||||||
| Year | Rice | Wheat | Corn | Soybeans | U.S. CPI | |
| 1961 | 1,365.8 | 587.9 | 477.0 | 1,020.0 | 10.00 | |
| 1962 | 1,512.4 | 636.7 | 481.7 | 910.9 | 10.10 | |
| 1963 | 1,404.3 | 634.0 | 527.1 | 990.1 | 10.20 | |
| 1964 | 1,333.5 | 654.1 | 529.4 | 977.2 | 10.34 | |
| 1965 | 1,301.2 | 568.4 | 527.6 | 1,025.0 | 10.47 | |
| 1966 | 1,557.0 | 590.5 | 545.1 | 1,089.4 | 10.64 | |
| 1967 | 2,019.4 | 601.0 | 494.9 | 943.4 | 10.94 | |
| 1968 | 1,814.1 | 556.9 | 421.1 | 861.3 | 11.28 | |
| 1969 | 1,574.6 | 497.0 | 442.1 | 803.2 | 11.75 | |
| 1970 | 1,153.6 | 441.6 | 470.0 | 865.8 | 12.40 | |
| 1971 | 994.5 | 471.0 | 444.8 | 880.7 | 13.11 | |
| 1972 | 1,095.9 | 510.3 | 407.4 | 940.6 | 13.68 | |
| 1973 | 2,100.6 | 991.5 | 690.3 | 1,887.5 | 14.12 | |
| 1974 | 3,610.7 | 1,198.0 | 882.7 | 1,694.8 | 15.00 | |
| 1975 | 2,180.9 | 895.8 | 717.9 | 1,207.5 | 16.65 | |
| 1976 | 1,398.2 | 731.9 | 617.8 | 1,191.4 | 18.17 | |
| 1977 | 1,417.4 | 537.2 | 496.2 | 1,358.9 | 19.22 | |
| 1978 | 1,800.3 | 624.7 | 492.2 | 1,185.1 | 20.47 | |
| 1979 | 1,518.1 | 727.4 | 524.8 | 1,200.3 | 22.02 | |
| 1980 | 1,675.0 | 686.3 | 510.8 | 1,208.0 | 24.52 | |
| 1981 | 1,649.1 | 555.4 | 469.9 | 1,036.2 | 27.83 | |
| 1982 | 887.5 | 431.7 | 355.9 | 796.7 | 30.70 | |
| 1983 | 787.8 | 421.2 | 417.3 | 863.9 | 32.60 | |
| 1984 | 691.1 | 416.8 | 404.1 | 838.5 | 33.64 | |
| 1985 | 561.1 | 366.6 | 319.8 | 639.5 | 35.09 | |
| 1986 | 512.4 | 325.7 | 240.9 | 573.4 | 36.34 | |
| 1987 | 579.7 | 302.8 | 204.5 | 582.8 | 37.02 | |
| 1988 | 723.1 | 366.7 | 278.6 | 791.0 | 38.37 | |
| 1989 | 748.7 | 403.6 | 279.1 | 688.2 | 39.96 | |
| 1990 | 646.7 | 308.2 | 260.9 | 589.1 | 41.88 | |
| 1991 | 664.3 | 285.7 | 243.3 | 542.7 | 44.15 | |
| 1992 | 583.0 | 315.5 | 226.6 | 511.9 | 46.01 | |
| 1993 | 496.8 | 284.4 | 215.4 | 538.3 | 47.39 | |
| 1994 | 548.2 | 283.9 | 220.4 | 516.0 | 48.81 | |
| 1995 | 641.2 | 334.3 | 246.7 | 517.9 | 50.06 | |
| 1996 | 658.3 | 364.1 | 322.1 | 592.2 | 51.48 | |
| 1997 | 572.7 | 271.0 | 220.9 | 557.4 | 53.00 | |
| 1998 | 561.0 | 205.7 | 188.1 | 448.7 | 54.21 | |
| 1999 | 451.2 | 174.9 | 163.9 | 366.3 | 55.06 | |
| 2000 | 359.7 | 175.8 | 157.3 | 376.4 | 56.27 | |
| 2001 | 297.2 | 185.2 | 154.1 | 336.7 | 58.17 | |
| 2002 | 320.7 | 217.2 | 165.9 | 355.5 | 59.82 | |
| 2003 | 325.2 | 228.0 | 173.4 | 434.5 | 60.77 | |
| 2004 | 382.4 | 232.4 | 179.9 | 493.2 | 62.15 | |
| 2005 | 448.7 | 212.7 | 154.6 | 430.5 | 63.81 | |
| 2006 | 462.2 | 241.0 | 184.7 | 407.2 | 65.97 | |
| 2007 | 479.4 | 350.4 | 240.3 | 562.6 | 68.10 | |
| 2008 | 928.4 | 387.7 | 318.6 | 745.2 | 70.04 | |
| 2009 | 763.1 | 255.7 | 227.6 | 582.5 | 72.72 | |
| 2010 | 674.7 | 316.9 | 256.6 | 617.0 | 72.47 | |
| 2011 | 733.8 | 386.4 | 394.2 | 726.4 | 74.00 | |
| 2012 | 745.0 | 390.9 | 394.9 | 788.1 | 75.57 | |
| 2013 | 655.6 | 358.6 | 336.1 | 714.6 | 77.17 | |
| 2014 | 536.6 | 311.2 | 244.8 | 615.3 | 78.80 | |
| 2015 | 479.7 | 256.5 | 211.0 | 487.3 | 80.47 | |
| 2016 | 482.1 | 214.6 | 193.7 | 493.4 | 82.17 | |
| 2017 | 475.4 | 212.4 | 184.2 | 468.8 | 83.91 | |
| 2018 | 490.9 | 238.0 | 191.9 | 460.3 | 85.68 | |
| 2019 | 477.7 | 241.5 | 194.4 | 421.7 | 87.50 | |
| 2020 | 556.0 | 254.9 | 185.2 | 455.1 | 89.35 | |
| 2021 | 502.2 | 308.7 | 284.5 | 639.0 | 91.24 | |
| 2022 | 468.8 | 409.9 | 342.2 | 724.9 | 93.17 | |
| 2023 | 586.8 | 273.2 | 267.7 | 633.7 | 94.35 | |
| 2024 | 592.2 | 331.6 | 249.1 | 605.4 | 97.09 | |
| 2025 | 588.4 | 268.7 | 190.6 | 462.5 | 100.00 | |
| Year | Rice | Wheat | Corn | Soybeans | U.S. CPI | |
| Source: | http://www.worldbank.org/en/research/commodity-markets | |||||
| Note: The annual price data are simple averages based on the monthly data for each year. | ||||||