A new study reveals that left-leaning Americans are having significantly fewer children, driving the overall US fertility decline. Meanwhile, conservatives are maintaining steady birth rates, a demographic trend that could gradually shift the nation’s political landscape rightward.

A recent study published in Scientific Reports suggests that political beliefs are increasingly linked to the number of children Americans choose to have. The findings indicate that while conservative individuals tend to maintain birth rates near historical averages, left-leaning individuals are having significantly fewer children. This demographic trend provides evidence that differing birth rates are a main driver of recent fertility declines in the United States.

The data revealed a pronounced change in how political beliefs relate to family size. For individuals born in the early 1900s, political orientation had almost no association with the number of children they had. However, beginning with the cohort born between 1943 and 1947, a massive divergence emerged.

“We expected these results, but not to such a dramatic extent,” Fieder told PsyPost. From the mid-century cohorts onward, individuals with right-wing political views maintained birth rates at or slightly above the replacement level. The replacement level, typically considered to be 2.1 children per woman, is the rate needed for a population to replace itself from one generation to the next without immigration.

In contrast, the birth rates of left-wing individuals dropped sharply, falling well below the replacement level in the more recent cohorts. The authors noticed this drop aligns with historical changes in family planning. “We found that the gap began with the introduction of modern contraception,” Fieder said.

  • velma@sh.itjust.worksOP
    0·
    3 months ago

    Did you read the article you sourced?

    The two-year birth rebound is linked to demographic shifts and marriage trends. The second echo-boom generation (born 1991–1995)—children of the 1964–1974 baby boomers—has entered their early 30s, a peak childbearing age. Additionally, “endemic, localized, couples” who postponed marriage during the pandemic began marrying in late 2022 and early 2023, later having children after a 1–2 year gap. Expanded marriage and childbirth incentives from central and local governments also contributed. Park Hyun-jung, head of the population trends division at the Data Office, noted, “Pandemic-delayed marriages have surged, and positive perceptions of childbirth are growing.”

    However, concerns persist that the birth rebound may be short-lived. The 1996 birth cohort (691,226 people), who turned 30 this year, marks the start of a decline to 600,000 annual births, followed by drops to 500,000 in 2001 and 400,000 in 2002.

    Women delaying when they have children is a huge factor.

    • ag10n@lemmy.world
      0·
      3 months ago

      Yes, I guess you cherry picked out these parts

      The number of firstborn children increased by 12,600 (8.6%) to 158,700, while secondborns rose by 3,400 (4.5%)

      Analysts attribute this trend to the “second echo-boom effect,” driven by those born in the early to mid-1990s entering marriageable age, as well as sustained government incentives to encourage marriage.

      Having seen and experienced this first hand in this instance, the level of supports for new families have made a difference

      • velma@sh.itjust.worksOP
        0·
        3 months ago

        It’s made a difference in combination with women delaying when they start having children due to better access to education and contraception.

        That’s why it notes that this is probably a short-lived birth rebound. Because of the ages of the parents having children.

        Edit:

        I didn’t cherry pick it out: “Expanded marriage and childbirth incentives from central and local governments also contributed.” is in my comment. It’s not my fault you didn’t read it thoroughly.