China is the world's top country by gross value of roots and tubers production. As of 2018, China's roots and tubers production in 2017 was 46,688,580 million US dollars, or 46.69 million, and in 2018 it was 47,311,419 million US dollars, or 47.31 million. In 2018, the growth rate was 1.32 percent.This share accounts for 27.10% of the world's gross value of roots and tubers production and ranks first in the list of roots and tubers production values at the current price. India ranked second in terms of roots and tubers production gross value.It was 10,653,639 million US dollars, or 10.65 million US dollars, in 2017, and 10,724,604 million in 2018, with a 0.67 percent growth rate.This share accounts for 6.143% of the world's gross value of roots and tubers production. The world's total gross value of roots and tubers production was estimated at 174,571,895 million US dollars in 2018 and ranks 2nd in the list of roots and tubers production values at the current price. The Nigeria is the 3rd country in the world with the highest value of roots and tubers production. At the current world price, its roots and tubers production was valued at 9,386,862 million US dollars in 2018. This ranks 3rd in the list of roots and tubers production values in the world.

The Singapore is the world's last-ranked country by gross value of roots and tubers production. Singapore's roots and tubers production in 2017 was 5 US dollars, and it was 5 US dollars in 2018. The Qatar was the 2nd last ranked country in gross value of roots and tubers production. The Qatar's roots and tubers production in 2017 was 80 US dollars, and in 2018 it was 13 US dollars.