The ADA collected the employment and job count data from the Bureau of Labor Statistics. The 214,700 dental hygienists in 2022 also represents a 3.6% increase over the 2021 figure.
Here is the number of dental hygienists in the U.S. since 2001:
2001: 149,880
2002: 148,530
2003: 146,360
2004: 155,810
2005: 161,140
2006: 166,380
2007: 168,600
2008: 173,090
2009: 173,900
2010: 177,520
2011: 184,110
2012: 190,290
2013: 192,330
2014: 196,520
2015: 200,550
2016: 204,990
2017: 211,600
2018: 215,150
2019: 221,560
2020: 194,830
2021: 207,190
2022: 214,700
