World maize Area, Production and Productivity data since 1961

Year	Area (m ha)	Production (m t)	Productivity (t/ha)
1961	105.6	205.0	1.94
1962	103.5	204.9	1.98
1963	108.4	220.2	2.03
1964	107.9	215.2	1.99
1965	106.7	226.5	2.12
1966	111.2	245.6	2.21
1967	112.5	272.5	2.42
1968	111.7	255.7	2.29
1969	111.3	269.5	2.42
1970	113.1	265.8	2.35
1971	118.2	313.6	2.65
1972	114.9	308.8	2.69
1973	116.9	318.3	2.72
1974	119.9	306.4	2.56
1975	121.5	341.8	2.81
1976	124.2	352.4	2.84
1977	125.2	371.6	2.97
1978	124.7	393.6	3.16
1979	123.7	418.6	3.38
1980	125.8	396.6	3.15
1981	127.9	446.8	3.49
1982	124.4	448.9	3.61
1983	117.8	347.1	2.95
1984	127.8	450.4	3.53
1985	130.5	485.5	3.72
1986	131.8	478.2	3.63
1987	130.0	453.1	3.49
1988	130.0	403.1	3.10
1989	131.8	476.9	3.62
1990	131.0	483.6	3.69
1991	133.6	494.4	3.70
1992	136.6	533.8	3.91
1993	131.4	477.2	3.63
1994	138.3	568.7	4.11
1995	135.8	517.3	3.81
1996	139.4	586.1	4.21
1997	140.8	584.4	4.15
1998	138.7	615.1	4.44
1999	137.3	607.4	4.43
2000	136.9	592.0	4.32
2001	137.4	615.2	4.48
2002	137.5	603.6	4.39
2003	144.6	645.1	4.46
2004	147.5	729.5	4.94
2005	148.2	714.2	4.82
2006	148.4	707.9	4.77
2007	158.7	792.7	5.00
2008	163.1	829.2	5.08
2009	158.8	820.1	5.16
2010	164.0	851.7	5.19
2011	171.2	886.7	5.18
2012	179.8	875.0	4.87
2013	187.0	1016.2	5.44
2014	185.7	1039.2	5.60
2015	190.6	1052.1	5.52
2016	195.6	1127.0	5.76
2017	197.5	1164.4	5.90
2018	193.7	1147.6	5.92
2019	196.37	1141.36	5.81
2020	201.98	1162.35	5.75

sources : https://www.fao.org/faostat/en/#data/QCL