以下是10月份公布的美国玉米供需平衡表
                   2018/19 2019/20估计值. 2020/21预测值. 2020/21预测值. 
                                          9月            10月           
百万英亩
播种面积           88.9    89.7           92             91             
收获面积           81.3    81.3           83.5           82.5           
蒲式耳
每英亩收获产量     176.4   167.5          178.5          178.4          
百万蒲式耳
期初库存           2140    2221           2253           1995           
产量               14340   13620          14900          14722          
进口量             28      42             25             25             
总供应量           16509   15883          17178          16742          
饲料用量           5429    5827           5825           5775           
食品、种子及工业用 6793    6282           6525           6475           
燃料酒精用量       5378    4852           5100           5050           
国内总用量         12222   12109          12350          12250          
出口量             2066    1778           2325           2325           
总消耗量           14288   13887          14675          14575          
期末库存           2221    1995           2503           2167           
农场平均价格       3.61    3.56           3.5            3.6