Nationality law of the People's Republic of China Concerning the Implementation of the Nationality Law of the People’s Republic of China in the Macau Special Administrative Region", its equivalent of Macau, although with an additional exception that permits Macau residents of mixed Portuguese and Chinese descent to choose their nationality. In practice, many overseas Chinese, who are of "Chinese descent", would not have been Chinese nationals but for the "Explanation", so this provision effectively bestowed Chinese nationality on any Hong Kong- or Macau-resident child who is of Chinese descent and was born in Hong Kong, Macau, Taiwan or mainland China, regardless of the nationalities of his parents, in
Nationality law of the People's Republic of China China and another country for residents of Mainland China, due to the provisions for loss of Chinese nationality in Article 9 (see "Loss of nationality" above), and the stipulation that a foreigner who naturalizes in China cannot retain their foreign nationality (see "Naturalization" above), the number of dual nationals have, nevertheless, increased in recent years. This is mainly because birth tourism has become popular among Chinese nationals residing in Mainland China, who travel to countries observing "jus soli" to ensure their offspring acquires the birth country's nationality. If a person concurrently holds "de jure" Chinese nationality and foreign nationality or