In 1974, before reunification, the R.O.C. embassy in Vietnam carried out a survey which discovered that ethnic Chinese made up a quarter of the population of Saigon, and that around half the businesses in the city were in their hands.
民國六十三年（西元一九七四年）兩越統一前，中華民國駐越南大使館曾作調查，發現華人人口只佔西貢的四分之一，但市內的商業，則有將近一半操於華人之手。