Roughly 22,600 people, or 0.9% of the Chinese Singaporean population at the time, bore the surname Chia.
[1] Among respondents to the 2000 United States Census, Chia was the 856th-most common surname among Asian Pacific Americans, and 17,530th-most common overall, with 1,481 bearers (72.78% of whom identified as Asian/Pacific Islander).
[2] In Italy, 72 families bore the surname Chia, with more than half located in Sardinia.
[3] Chia may be a spelling of a number of Chinese surnames, based on different varieties of Chinese, listed below by their romanisation in Mandarin pinyin: It is also an Italian toponymic surname referring to Chia, Province of South Sardinia.
[10] People with a non-Chinese surname Chia, or whose names as written in Chinese characters are not available: