Quo Vadis Polonia?

Modern Poland is known abroad for its national courage, its deep patriotism, and its religious devotion: think of the Solidarity movement; of Pope John Paul II; and of Warsaw’s almost unique seriousness among European NATO members today about defense commitments. It may therefore surprise overseas friends to learn that this fiercely independent and ostensibly very Catholic nation is erasing itself. Poland is in the grip of a self-imposed demographic revolution. This revolution, the quiet result of choices by generations of Polish couples and parents, has overturned the previously traditional family order, collapsed national birth levels, and propelled the country into an accelerating depopulation. These new demographic realities are gradually but unforgivingly altering the realm of the possible for Poland’s future. Over the past seventy years, Poland experienced one of the most dramatic declines in childbearing in the world. From its postwar apogee in 1955 through the year 2025, Polish births have plunged by 70 percent, according to GUS, Poland’s Central Statistics Office. A little historical perspective may help frame that ongoing birth crash. It has been a very long time since Poland has witnessed so few births. Poland’s boundaries have been changed—brutally—by an unhappy history over previous centuries, so precise historical population comparisons with today’s Poland are difficult. Very roughly speaking, though, today’s Poles would not have seen a birth level as low as today’s since before the state of Poland was wiped off the map of Europe in the late 1700s. Poland’s extraordinary, still-ongoing birth collapse places the country in the vanguard of the global march to lowest-ever-reported peacetime fertility levels. On 2024 childbearing patterns, Polish women would have had an average of just under 1.1 babies per lifetime. (That is the synthetic or “period” total fertility rate commonly used for comparisons of current national population trends.) On that trajectory, there would only be 53 future daughters, and 28 future granddaughters, for every 100 Polish women of childbearing age today. In 2024, Poland’s fertility level ranked as ninth lowest in the world (excluding only places at war, like Ukraine, or territories with less than one million people, like Macau). And in 2025, Poland’s TFR dropped another 3 percent, to 1.068—implying even fewer future daughters and granddaughters for the Polish nation. The proximate cause of this birth crash, as in the rest of the contemporary West, was a transformation of family life in Poland—an upheaval that actually began under Soviet domination, but gathered speed after the end of Communism. The waning of the former two-married-parents norm has ushered in an era of apparently permanent, and as yet ever-lower, sub-replacement fertility. Three elements frame the overturning of the previous familial order: a radical decline in the likelihood of marriage; an equally sharp surge in the odds of divorce; and a steep increase in the chances that such children as happen to be born at all will be born outside marriage. By 2024, Poland’s total first marriage rate for women (a synthetic rate reflecting current nuptial patterns, akin to the TFR) was down to 52 percent. Taken together with the country’s 42 marriages per 100 divorces, Polish women may have less than a one in three chance of getting and staying married to age 50. Many will be childless. About 20 percent of Polish women born in 1975 had no children of their own. For those born in 1995—now entering their thirties—the childless fraction may be closer to 30 percent. The future of the Polish nation will depend on its birth path, or to put it another way, its fertility trajectory. Over the postwar era, Poland’s total fertility rate has fallen by well over two thirds; it has been below replacement continuously since 1989. Demographers have no accurate means of forecasting future fertility rates. The UN Population Division offers a “medium” fertility conjecture for Poland, and a “low” fertility conjecture. At the moment, Poland’s trends seem to be cleaving closer to the “low variant”. Poland has been a “net mortality society” since 2013; last year there were 5 deaths for every 3 births. If the UNPD’s “low variant” scenario for Poland does ultimately come to pass, Poland will have over three deaths for each births by the year 2050, by which time the country would be shrinking by over 1 percent a year. Half of Poland would be over 55 years old; over a third would be senior citizens—and the country would have more 80+ super-elders than children under 18. The birth collapse will matter to Poland’s security as well: by the “low variant” scenario, Poland 2050 would have fewer than 600,000 young men of military age (18-23)—less than a third as many as in 1999, when it joined NATO. Poland lives in a dangerous neighborhood—the birth crash will not make it easier.