Mandarin is the most widely spoken language in the world, with over 1.1 billion native speakers.

English is the official language of the United States, as declared by the U.S. Congress in 1983.

English, French, German, and Spanish are all official languages of the European Union.

Mandarin is the official language of China, as declared by the Chinese government in 1955.

Hindi is the official language of India, as declared by the Indian government in 1949.

Portuguese is the official language of Brazil, as declared by the Brazilian government in 1822.

Russian is the official language of Russia, as declared by the Russian government in 1991.

Japanese is the official language of Japan, as declared by the Japanese government in 1946.

Korean is the official language of South Korea, as declared by the South Korean government in 1948.

Korean is the official language of North Korea, as declared by the North Korean government in 1948.

English and French are both official languages of Canada, as declared by the Canadian government in 1969.

English is the official language of Australia, as declared by the Australian government in 1901.

English and Maori are both official languages of New Zealand, as declared by the New Zealand government in 1987.

English, Afrikaans, Zulu, and Xhosa are all official languages of South Africa, as declared by the South African government in 1994.

English is the official language of Nigeria, as declared by the Nigerian government in 1960.