Not just the US. While in Biblical times a characteristic cry among the people of God was such as, "Give me children, or else I die," (Genesis 30:1) and beyond 
While in 1800 US women on average had 7 children had her first child around the age of 23 and proceeded to bear children at two-year intervals until her early 40s (more of whom died before reaching adulthood than now), and in the baby boom era the average was 3.6 kids (where children made up 36 percent, vs. 22:% now), yet by 2021 it was 1.6.6, and with the median age for giving birth hitting an unprecedented age 30.
Usually meaning women working outside the home, and more money to spend on meals outside the home thus less cooking (besides more spoiled kids, who have no or maybe just one sibling to learn how to get along with and share, thus more being unduly fearful and intolerant of others).
Be celibate and continent as per God's will, or have as many as He gives, practicing temperance.