Do couples with higher incomes have more children?

Status of children given birth by income (employment, business income) of newlyweds at first marriage

https://kosis.kr/statHtml/statHtml.do

Yeah no~

The average number of children born is lower as income increases.

Less than 10 million won: 0.67 people

Less than 30 million won: 0.73 people

Less than 50 million won: 0.69 people

Less than 70 million won: 0.63 people

Less than 100 million won: 0.53 people

Over 100 million won: 0.53 people

The standard for newlyweds is up to 7 years after marriage.