Table 3.

The estimated numbers of dental assistants in Taiwan from 2009 to 2021 according to the data of the United States, which show 1.86 dental assistants per dentist and 108.69 dental assistants per 100,000 people.

Years	By dentist		By population
	Number of dentists	Estimated number of dental assistants	Population	Estimated number of dental assistants
2009	11,351	21,113	23,119,772	25,128
2010	11,656	21,680	23,162,123	25,174
2011	11,992	22,305	23,224,912	25,243
2012	12,391	23,047	23,315,822	25,341
2013	12,794	23,797	23,373,517	25,404
2014	13,178	24,511	23,433,753	25,407
2015	13,502	25,114	23,492,074	25,533
2016	13,912	25,876	23,539,816	25,585
2017	14,379	26,745	23,571,227	25,619
2018	14,717	27,374	23,588,932	25,638
2019	15,127	28,136	23,603,121	25,654
2020	15,429	28,698	23,561,236	25,608
2021	N/A	N/A	23,375,314	25,406
Total increase	4078	–	255,542	–
Mean annual increase	370.73	–	21,295.17	–
Total increase rate (%)	35.93	–	1.11	–
Mean annual increase rate (%)	3.27	–	0.09	–