according to Google overview:
South Korea’s abortion rate
2019 Estimate: Around 21 abortions per 1,000 women.
Trend: A decline in the rate from 1990-2019, according to Guttmacher Institute estimates, with a significant drop from 43 per 1,000 women in 1990-1994 to 21 in 2015-2019.
Historical Peaks: Earlier data suggests much higher rates, with one 1977-1978 Seoul study estimating 235 per 1,000 women, and a 2005 study estimating around 30 per 1,000 women.
One big problem is Korean marriage rates are dropping. Korea is still traditional and prefers children brought up in a family unit. However with people not getting married there are no children being produced.