English is the official language of the World Bank, as per its Articles of Agreement.

The World Bank uses five languages in its Global Partnership Operations: English, French, Spanish, Arabic, and Chinese.

English is used in the majority of World Bank Global Partnership Operations, as it is the official language of the World Bank.

French is used in the second largest number of World Bank Global Partnership Operations, as it is one of the official languages of the World Bank.

Spanish is used in the third largest number of World Bank Global Partnership Operations, as it is one of the official languages of the World Bank.

Arabic is used in the fourth largest number of World Bank Global Partnership Operations, as it is one of the official languages of the World Bank.

Chinese is used in the fifth largest number of World Bank Global Partnership Operations, as it is one of the official languages of the World Bank.

Russian is used in the sixth largest number of World Bank Global Partnership Operations, as it is one of the official languages of the United Nations.

Portuguese is used in the seventh largest number of World Bank Global Partnership Operations, as it is the official language of Brazil, one of the largest economies in the world.

Japanese is used in the eighth largest number of World Bank Global Partnership Operations, as it is the official language of Japan, one of the largest economies in the world.

German is used in the ninth largest number of World Bank Global Partnership Operations, as it is the official language of Germany, one of the largest economies in the world.

Italian is used in the tenth largest number of World Bank Global Partnership Operations, as it is the official language of Italy, one of the largest economies in the world.

Hindi is used in the eleventh largest number of World Bank Global Partnership Operations, as it is the official language of India, one of the largest economies in the world.

Urdu is used in the twelfth largest number of World Bank Global Partnership Operations, as it is the official language of Pakistan, one of the largest economies in the world.

Indonesian is used in the thirteenth largest number of World Bank Global Partnership Operations, as it is the official language of Indonesia, one of the largest economies in the world.