Why the non-Hispanic White population is shrinking as a share of the American total

Countries & Cities · Published 3 October 2026 Swipe more like this →

In short: While the absolute number of non-Hispanic Whites in the United States has continued to grow, their relative share of the total population has plummeted from nearly 90 percent in 1940 to roughly 56 percent today. This demographic shift is driven by complex factors including immigration patterns, intermarriage, and aging.

The classification of non-Hispanic Whites encompasses individuals identified as White by the U.S. Census who do not claim Hispanic or Latino origin. Historically, this group was the overwhelming majority of the American population, comprising approximately 89.8 percent in 1940. By 2024, estimates suggest this figure has declined to about 56.3 percent. Despite this proportional decrease, the group’s total population has seen modest growth, rising from over 194 million in 2000 to more than 197 million by 2022, fueled by population momentum.

Several structural factors explain the declining percentage. Since 1965, immigration from non-European regions has outpaced European arrivals, which have been in steady decline since World War II. Furthermore, rising rates of intermarriage—where children of mixed unions may not identify as non-Hispanic White—and evolving self-identification standards have reshaped the data. Methodology also plays a role; since the 2000 Census, individuals have been permitted to select multiple racial categories, and those with even partial minority ancestry are often counted as minorities for civil rights monitoring.

The age profile of the population is another critical variable. Non-Hispanic Whites have the oldest median age of any major group in the U.S., recorded at 42.3 years in 2011. This advanced age profile led to a significant milestone in 2013, when the Census Bureau reported that, for the first time, deaths among this group exceeded births. While birth rates for other groups have seen sharper declines, the non-Hispanic White fertility rate remains below the replacement level of 2.100, contributing to projections that suggest this group may become a minority by 2045.

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