Pertussis Cases by Year (1922-2021)
This table shows reported pertussis cases in the United States since 1922. The related trend charts can be found on the Surveillance and Reporting page.
| Year | No. Reported Pertussis Cases |
|---|---|
| 1922 | 107,473 |
| 1923 | 164,191 |
| 1924 | 165,418 |
| 1925 | 152,003 |
| 1926 | 202,210 |
| 1927 | 181,411 |
| 1928 | 161,799 |
| 1929 | 197,371 |
| 1930 | 166,914 |
| 1931 | 172,559 |
| 1932 | 215,343 |
| 1933 | 179,135 |
| 1934 | 265,269 |
| 1935 | 180,518 |
| 1936 | 147,237 |
| 1937 | 214,652 |
| 1938 | 227,319 |
| 1939 | 103,188 |
| 1940 | 183,866 |
| 1941 | 222,202 |
| 1942 | 191,383 |
| 1943 | 191,890 |
| 1944 | 109,873 |
| 1945 | 133,792 |
| 1946 | 109,860 |
| 1947 | 156,517 |
| 1948 | 74,715 |
| 1949 | 69,479 |
| 1950 | 120,718 |
| 1951 | 68,687 |
| 1952 | 45,030 |
| 1953 | 37,129 |
| 1954 | 60,886 |
| 1955 | 62,786 |
| 1956 | 31,732 |
| 1957 | 28,295 |
| 1958 | 32,148 |
| 1959 | 40,005 |
| 1960 | 14,809 |
| 1961 | 11,468 |
| 1962 | 17,749 |
| 1963 | 17,135 |
| 1964 | 13,005 |
| 1965 | 6,799 |
| 1966 | 7,717 |
| 1967 | 9,718 |
| 1968 | 4,810 |
| 1969 | 3,285 |
| 1970 | 4,249 |
| 1971 | 3,036 |
| 1972 | 3,287 |
| 1973 | 1,759 |
| 1974 | 2,402 |
| 1975 | 1,738 |
| 1976 | 1,010 |
| 1977 | 2,177 |
| 1978 | 2,063 |
| 1979 | 1,623 |
| 1980 | 1,730 |
| 1981 | 1,248 |
| 1982 | 1,895 |
| 1983 | 2,463 |
| 1984 | 2,276 |
| 1985 | 3,589 |
| 1986 | 4,195 |
| 1987 | 2,823 |
| 1988 | 3,450 |
| 1989 | 4,157 |
| 1990 | 4,570 |
| 1991 | 2,719 |
| 1992 | 4,083 |
| 1993 | 6,586 |
| 1994 | 4,617 |
| 1995 | 5,137 |
| 1996 | 7,796 |
| 1997 | 6,564 |
| 1998 | 7,405 |
| 1999 | 7,298 |
| 2000 | 7,867 |
| 2001 | 7,580 |
| 2002 | 9,771 |
| 2003 | 11,647 |
| 2004 | 25,827 |
| 2005 | 25,616 |
| 2006 | 15,632 |
| 2007 | 10,454 |
| 2008 | 13,278 |
| 2009 | 16,858 |
| 2010 | 27,550 |
| 2011 | 18,719 |
| 2012 | 48,277 |
| 2013 | 28,639 |
| 2014 | 32,971 |
| 2015 | 20,762 |
| 2016 | 17,972 |
| 2017 | 18,975 |
| 2018 | 15,609 |
| 2019 | 18,617 |
| 2020 | 6,124 |
| 2021 | 2,116 |