How many people from Taiwan Province have settled in Chinese mainland?

2 million to 3 million. Taiwan Province Province is an island in China and a province in China. The total population of this province is about 23 million, of which 2 million to 3 million people have settled in Chinese mainland. "Settlement" means that China citizens have obtained long-term or permanent residency in their country of residence, and have lived in their country of residence for two consecutive years, with a cumulative residence of not less than 18 months within two years.