Karen Pazol, Ph.D., from the CDC in Atlanta, and colleagues analyzed voluntarily provided reporting data for abortions from 45 areas reporting yearly 2000 to 2009.The researchers found that, in 2009, there were 772,630 abortions in the 45 reporting areas. For women aged 15 to 44 years, the abortion rate for 2009 was 15.1 abortions per 1,000 women and the abortion ratio was 227 abortions per 1,000 live births. In 2009, the total number and rate of reported abortions decreased 5 percent, compared to 2008, the largest single-year decrease from 2000 to 2009. For 2000 to 2009, the total number, rate, and ratio of reported abortions decreased by 6, 7, and 8 percent, respectively. In 2009, women in their 20s accounted for the majority of abortions (32.7 percent of all abortions for women aged 20 to 24 years and 24.4 percent for 25-to-29-year olds). Adolescents (aged 15 to 19 years old) accounted for 15.5 percent of all abortions. Abortion rates increased among women over 40 years.