The United States of America is being the top country by wheat in the world. As of 2013, wheat in the United States of America was 10.5 million 1000 US$ that accounts for 19.07 % of the world's wheat. The top 5 countries (others are Canada, France, Oceania, and Australia) account for 63.38 % of it. The world's total wheat was estimated at 55.3 million 1000 US$ in 2013.
Triticum spp.: common (T. aestivum) durum (T. durum) spelt (T. spelta). Common and durum wheat are the main types. Among common wheat, the main varieties are spring and winter, hard and soft, and red and white. At the national level, different varieties should be reported separately, reflecting their different uses. Used mainly for human food.