 Approximately 630,000 abortions were performed in the US in 2015, the most recent year for which data are available.Fewer than 10% of all abortions in the United States are performed after 13 weeks of gestation, and just over 1% are performed after 21 weeks gestation.In the United States, 95-99% of abortions after the first trimester of pregnancy are performed by surgical abortion via dilation and evacuation.