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Portuguese is a Romance language and the sole official language of Portugal, Brazil, Mozambique, Angola, Cape Verde, Guinea-Bissau, and São Tomé and Príncipe. It also has co-official language status in Macau (China), Equatorial Guinea and East Timor. As the result of expansion during colonial times, Portuguese speakers are also found in Goa, Daman and Diu in India, in Batticaloa on the east coast of Sri Lanka, in the Indonesian island of Flores, and in Malacca in Malaysia.

Portuguese is usually listed as the fifth most spoken language in the world, the third most spoken European language and the major language of the Southern Hemisphere.