Onion is the second most produced vegetable crop in the world after tomatoes. In 2021, the global onion production was around 106.59 million metric tonnes. 

India is the largest producer of onion in the world & accounts for around 24.99% of the total global production. Onions are cultivated on over 1,624,000 hectares of land. 

China is the second largest onion producing country in the world. It is followed by Egypt, United States, Turkey. Pakistan, Bangladesh, Sudan, Indonesia, etc. 

Maharashtra is the largest onion producing state of India. It contributes about 30.48% of the total annual production which is around 6,656,000 tonnes.  

Madhya Pradesh is the second largest onion-producing state of India. It contributes about 16.89% of the total annual production which is around 3,687,900 tonnes.  

Karnataka is the third largest onion-producing state of India. It contributes about 11.75% of the total annual production which is around 2,566,430 tonnes.  

Gujarat is the fourth largest onion-producing state of India. It contributes about 5.97% of the total annual production which is around 1,303,070 tonnes.  

Bihar is the fifth largest onion-producing state of India. It contributes about 5.72% of the total annual production which is around 1,248,960 tonnes.