The global language system is the "ingenious pattern of connections between language groups". Dutch sociologist Abram de Swaan developed this theory in 2001 in his book Words of the World: The Global
This flowchart depicts the hierarchy of the languages in de Swaan's (2001) global language system theory.
This pyramid illustrates the hierarchy of the world's languages as proposed by Graddol (1997) in his book, 'The future of English? A guide to forecasting the popularity of the English language in the 21st century', published by the British Council.
Portuguese is a Western Romance language of the Indo-European language family, written in the Latin script. With approximately 267 million native speakers, it is the fifth-most spoken native language
The Will of Afonso II preserved at the Torre do Tombo National Archives
Sign in Japanese, Portuguese, and English in Oizumi, Japan, which has a large Lusophone community due to the return immigration of Japanese Brazilians
Multilingual signage in Chinese, Portuguese and English at the Hong Kong–Zhuhai–Macau Bridge port building in Macau. Portuguese is a co-official language in Macau.
An Old Portuguese memento mori memorial sign in Malacca City