Key points
- CDC tracks reported pertussis incidence (per 100,000 persons) by age group in the United States.
- Infants aged <1 year have the highest reported rate of pertussis.
Pertussis Incidence by Age Group and Year
| <1 yr | 1-6 yrs | 7-10 yrs | 11-19 yrs | 20+ yrs | |
|---|---|---|---|---|---|
| 1990 | 47.89 | 5.57 | 1.68 | 1.38 | 0.19 |
| 1991 | 27.27 | 3.20 | 0.96 | 0.58 | 0.14 |
| 1992 | 38.41 | 3.93 | 1.95 | 1.99 | 0.27 |
| 1993 | 68.00 | 6.59 | 3.26 | 2.08 | 0.33 |
| 1994 | 42.61 | 4.35 | 2.26 | 2.30 | 0.27 |
| 1995 | 48.74 | 4.71 | 3.17 | 2.41 | 0.42 |
| 1996 | 63.23 | 6.01 | 4.81 | 5.25 | 0.72 |
| 1997 | 52.73 | 4.49 | 4.23 | 4.33 | 0.66 |
| 1998 | 56.71 | 5.45 | 3.80 | 4.88 | 0.78 |
| 1999 | 57.12 | 4.57 | 3.98 | 5.17 | 0.74 |
| 2000 | 54.23 | 4.15 | 3.90 | 7.08 | 0.74 |
| 2001 | 46.84 | 5.49 | 4.09 | 5.58 | 0.79 |
| 2002 | 59.01 | 7.53 | 4.94 | 6.80 | 1.08 |
| 2003 | 54.98 | 6.41 | 4.81 | 11.34 | 1.32 |
| 2004 | 79.00 | 15.28 | 12.07 | 24.50 | 3.29 |
| 2005 | 96.47 | 14.15 | 12.64 | 19.17 | 3.50 |
| 2006 | 48.78 | 7.47 | 8.32 | 11.05 | 2.63 |
| 2007 | 40.25 | 5.64 | 8.48 | 6.02 | 1.57 |
| 2008 | 50.54 | 7.67 | 18.85 | 6.58 | 1.35 |
| 2009 | 75.23 | 11.16 | 23.76 | 7.75 | 1.73 |
| 2010 | 100.90 | 23.27 | 31.78 | 13.30 | 3.15 |
| 2011 | 70.89 | 15.02 | 20.05 | 10.26 | 2.15 |
| 2012 | 126.65 | 34.09 | 58.52 | 38.02 | 4.51 |
| 2013 | 102.77 | 22.09 | 30.61 | 21.27 | 2.61 |
| 2014 | 106.68 | 25.14 | 34.04 | 29.57 | 2.50 |
| 2015 | 68.10 | 15.60 | 17.45 | 17.90 | 1.90 |
| 2016 | 51.41 | 13.65 | 14.84 | 16.31 | 1.68 |
| 2017 | 57.78 | 15.16 | 15.79 | 16.83 | 1.68 |
| 2018 | 52.8 | 13.5 | 11.6 | 13.0 | 1.4 |
| 2019 | 59.00 | 16.31 | 15.05 | 15.01 | 1.78 |
| 2020 | 19.25 | 5.39 | 4.70 | 4.46 | 0.68 |
| 2021 | 5.22 | 1.94 | 0.46 | 0.45 | 0.49 |
| 2022 | 9.07 | 3.65 | 1.30 | 0.79 | 0.54 |