The ADA collected the employment and job count data from the Bureau of Labor Statistics. The 363,880 dental assistants in 2022 also represents a 4.8% increase over the 2021 figure.
Here is the number of dental assistants in the U.S. since 2001:
2001: 267,840
2002: 268,220
2003: 272,030
2004: 264,820
2005: 270,720
2006: 277,040
2007: 283,630
2008: 293,090
2009: 294,020
2010: 294,030
2011: 296,810
2012: 300,160
2013: 309,540
2014: 314,330
2015: 323,110
2016: 327,290
2017: 337,160
2018: 341,060
2019: 351,470
2020: 312,140
2021: 347,170
2022: 363,880