In 1993, the Institute of Ethnology of the Academia Sinica conducted a survey of Taipei's Hakka. The results of this survey clearly revealed that the younger the Hakka, the worse his Hakka language skills. Almost 90 % of those over 56 years of age spoke Hakka fluently.
民國八十二年，中研院民族所針對台北地區客家人語言情況做調查，結果顯示，客語使用能力隨年齡的遞減而每下愈況。