The peak birth year (in absolute numbers and rates) in the U.S. was 1957. However, there were more babies born in 1964 than in any year from 1945 through 1953. After 1964, the number of babies born annually fell below 4 million and below 20 per 1000.
Thanks.
I grew up knowing the “baby boom” as that largely attributed to Post-WWII and servicemen returning home, marrying, and making babies. As such, the 1957 number aligns with my thinking as being near the end of the boom. I didn’t even know that it had since been popularly characterized as extending into the 1960s. Ya learn something new every day!