The economics of population decline has become a hot topic in recent years. For decades, people worried about overpopulation and its strains on resources. Now, the opposite concern is rising: many countries face falling birth rates and shrinking populations, often called depopulation. Biologists often view fewer people as good for the environment and wildlife. But some economists worry it could slow investment, hurt economic growth, and put pressure on programs like Social Security. Economist Dr. Daniel Sutter argues there’s no need to panic—depopulation brings challenges, but also opportunities, and it shouldn’t lead to heavy government control over personal choices.
The shift starts with what’s known as the demographic transition. First, better nutrition, medicine, and sanitation cause death rates—especially for infants and children—to drop sharply. This leads to fast population growth. Later, birth rates fall as families have fewer children. In Western Europe, this transition took about 80 years to reach roughly replacement level fertility (around 2.1 children per woman, enough to keep population stable without migration). Today, the process happens much faster—often in less than 20 years—and has spread worldwide.
Prosperity is the main driver. When child survival improves and economies grow, parents invest more time, education, and money in each child instead of having many. This pattern has appeared across cultures, even in places where women have limited rights and before modern birth control or feminism existed. Countries like Japan, South Korea, China, Russia, and much of Western Europe now have fertility rates well below replacement level.
Experts were caught off guard by how quickly birth rates dropped. It wasn’t until 2022 that the United Nations started projecting global population would peak sometime in the 21st century. This shows the limits of even expert predictions about human behavior.
Governments can sometimes force lower birth rates, as China’s one-child policy painfully showed. But once people choose to have fewer or no children, policies like subsidies or incentives rarely reverse the trend. Personal decisions about family size prove hard to sway from the top.
So, will a shrinking population destroy the economy? Dr. Sutter says no—there’s little reason for alarm. Market economies don’t have a fixed number of jobs. In the U.S., the population grew by about 70% from 1970 to 2025, yet unemployment stayed around 4% in both years because the economy created enough opportunities. A smaller population should be able to adjust downward without massive job losses.
A smaller workforce might create shortages in certain jobs—like a wave of retiring dentists—but higher wages in those fields would attract more people to fill them.
Some worry that fewer people means less total ingenuity and slower innovation. Economist Julian Simon called humans “the ultimate resource” because ideas drive progress. A smaller population could produce fewer breakthroughs. However, extreme poverty has historically blocked many talented people from contributing. Since 1990, global extreme poverty has dropped dramatically. As development continues, more people worldwide can reach their potential, so the pool of innovative minds shouldn’t shrink dramatically anytime soon.
Declining populations do strain pay-as-you-go retirement systems like U.S. Social Security, where current workers fund current retirees. These systems worked well when more people paid in than collected benefits. But they aren’t true savings plans—they don’t build assets like private pensions do. Dr. Sutter argues that individual saving and planning can ensure comfortable retirements no matter the population size. He calls for stronger constitutional limits on government economic powers to prevent politicians from creating unsustainable programs.
Some argue mass immigration is essential to keep the workforce large and support Social Security. Dr. Sutter isn’t convinced, since he sees no looming catastrophe. He notes that America’s success has come from attracting talented, hardworking immigrants who build prosperity—not from unchecked inflows based on welfare access without proper vetting.
In fact, depopulation could bring real benefits. With fewer people, existing infrastructure (roads, schools, housing) would have extra capacity. Each worker would have more capital to use, likely raising productivity and real wages.
History offers an example: the Black Death in the 14th century killed 25–50% of Europe’s population. In Western Europe, labor shortages forced nobles to compete for workers, ending serfdom and improving peasant freedoms. In Eastern Europe, lords tightened control instead. Population decline can shift power dynamics in positive ways depending on institutions.
Ultimately, Dr. Sutter stresses that deciding whether to have children is one of life’s most personal and important choices. Free people should make it without government interference. Population change will create challenges—like any major shift in life—but they don’t justify giving up this basic human right to state control.
Dr. Daniel Sutter is the Charles G. Koch Professor of Economics with the Manuel H. Johnson Center for Political Economy at Troy University. The views here are synthesized from his March 1, 2026, column and do not necessarily reflect those of Troy University
