Many young Americans are not seeking to have children of their own as birth rates in the United States remain near historically low levels.A group of women who spoke with the Associated Press listed climate change, student debt and inflation as reasons they do not want to be parents.Some young men said they also do not want to raise children.Some are considering medical operations that prevent fertility.A government report found the U.S. birth rate fell four percent in 2020.That was the largest single-year decrease in nearly 50 years.The government reported a one percent increase in U.S. births last year.But the number of babies born was still lower than before the coronavirus pandemic ― about 86,000 fewer than in 2019.Jordan Davidson talked with more than 300 people for a book to be released in December.The book is called So When Are You Having Kids?She spoke to young people of both the Millennial generation and Generation Z.Millennials were born between 1981 and 1996 while Generation Z is just starting to reach adulthood.