Silver Book Fact
The prevalence of high blood pressure (hypertension) increases with age. In 2003 – 2006, 36% of men and women age 45 – 54 years had hypertension, compared with 65% of men and 80% of women age 75 years and over.
Centers for Disease Control and Prevention. Health, United States, 2008. Hyattsville, MD: National Center for Health Statistics; http://www.cdc.gov/nchs/data/hus/hus08.pdf