America’s Veteran Ranks Are Thinning – and Changing

The United States has far fewer military veterans today than it did at the turn of the century, even though the nation has fought long wars in Iraq and Afghanistan. At the same time, the face of the veteran population is getting younger, more diverse, and more heavily shaped by the Gulf War and post-9/11 generations.

We take a look at the number of US veterans in 2000 vs the number around 2025.

The 2000 Census counted about 26.4 million U.S. military veterans, roughly 12.7% of all adults.

Recent federal and research estimates put today’s total at about 18 million living U.S. veterans, or roughly 6% of the adult population.

The Census Bureau’s American Community Survey counted 15.8 million veterans in 2023; VA and Pew, using a different model, estimate roughly 18.3 million around the same time.

Because different agencies use slightly different methods and definitions, the exact 2025 total is usually given as a range. But all the major sources agree: the veteran population has dropped by roughly a third since 2000.

Experts point to a few key reasons for the drop in the number of veterans:

1. Aging of the big war generations

   • In 2000, there were still millions of World War II, Korean War, and older Vietnam-era veterans alive.

   • Since then, these cohorts have reached their late 70s, 80s, and 90s and have been passing away in large numbers. The Census Bureau notes that the veteran population fell from 26.4 million in 2000 to 18.0 million in 2018, largely because of this aging.

2. Smaller active-duty force after the draft ended

   • The draft ended in 1973. The active-duty force shrank from about 3.5 million troops in 1968 (Vietnam era) to around 1.3 million in recent years, meaning fewer people are entering veteran status each year.

3. Peacetime and shorter, more professionalized wars

   • Following the Cold War, the U.S. fought fewer large-scale, mass-mobilization wars. The all-volunteer military is more professional but numerically smaller, so each generation adds fewer veterans than the World War II or Vietnam generations did.

4. Demographic change in the broader U.S. population

   • As the overall U.S. population grows and becomes younger and more diverse, veterans make up a shrinking share of all adults, even where the absolute number of veterans is relatively stable in some states.

Put simply, the big war generations are dying faster than new veterans are being added, and the share of Americans who serve has steadily fallen over the last 50 years.

We take a look at how many veterans by war or era served and are still living today.

These figures are the best available estimates from the VA, Census Bureau, and major research summaries. They are rounded, and not all categories are mutually exclusive (some people served in more than one era).

• About 16.4 million Americans served in World War II.

• As of late 2025, the Department of Veterans Affairs estimates only about 45,000 World War II veterans are still alive – less than 0.5% of those who served.

• Roughly 6.8 million Americans served worldwide during the Korean War era (1950–1955).

• VA projections reported “over 1 million” living Korean War–era veterans in 2020, with the total expected to fall below 200,000 by 2030.

• Combining Census and VA data, a reasonable 2025 estimate is around half a million Korean War–era veterans still alive, almost all in their late 80s or 90s. (Census data for 2023 show about 638,800 veterans who served in World War II or Korea; subtracting the roughly 90,000 WWII vets that year leaves about 550,000 Koreans, and the number continues to decline each year.)

Vietnam War:

Considering the Vietnam war, the distinction between “Vietnam era” and “served in Vietnam itself” matters:

• The Census/VA report Those Who Served found 6.4 million Vietnam-era veterans alive in 2018.

• More recent census-based estimates indicate that by 2023, more than 5.2 million living U.S. veterans had served during the Vietnam-era service.

• Some advocacy and health sources, focusing only on those who served in-country, put the number of Vietnam War veterans at under 850,000, out of roughly 2.7 million who deployed to Vietnam itself.

• Today, roughly 5-6 million Americans are Vietnam-era veterans, and somewhere under a million of those actually served in Vietnam.

• Gulf War and Afghanistan (all “Gulf wars”) using the Census Bureau’s 2023 breakdown:

• Persian Gulf War (pre-9/11) – about 3.9 million living veterans served between August 1990 and August 2001.

• Post-9/11 era (Iraq, Afghanistan, and related operations) – about 4.4 million living veterans served from September 2001 onward.

Census notes that many have overlapping service (for example, a Marine who served in both the 1991 Gulf War and later in Iraq or Afghanistan), so these numbers cannot simply be added. But they do tell us:

More than half of all living U.S. veterans – roughly 8.4 million people – served during the Gulf War and Post-9/11 era, including Iraq and Afghanistan.

At a glance: estimated living U.S. veterans by conflict/era (mid-2020s)

Numbers are rounded and categories overlap; totals by era will exceed the total veteran count.

Using the latest Census (2023 ACS), VA VetPop, RAND, and Pew compilations, here’s what the typical veteran population looks like today:

• Average age: about 62 years old.

• Older veterans dominate: Nearly half of all veterans are 65 or older, reflecting the large Vietnam and late–Cold War cohorts.

• Younger vets growing: About 22% are under age 45, a share that is projected to rise as Gulf War and post-9/11 cohorts become the majority of veterans.

Gender

• Veterans are still predominantly male, but that’s changing:

  • About 1.7 million women veterans make up 10.9% of all veterans in 2023.

  • VA projections and Pew estimates suggest women will reach around 18% of all veterans by the 2040s.

Education and work

• About one-third of veterans have a bachelor’s degree or higher, comparable to or slightly higher than the general adult population.

• The overall veteran unemployment rate is low (around 3%–4% in recent BLS data), though some younger post-9/11 veterans still face higher unemployment or underemployment.

Disability and health

• Roughly 5.5 million veterans live with a service-connected disability, according to 2025 analyses of BLS data.

• Among post-9/11 veterans, nearly half report a service-connected disability, a much higher rate than earlier eras, largely due to the nature of modern combat and better recognition of conditions like PTSD and traumatic brain injury.

• The bottom line comes down to:

• 2000: about 26.4 million U.S. veterans – roughly 1 in 8 American adults.

• Today (2025): roughly 18 million veterans – roughly 1 in 16 American adults.

Most of the remaining veterans of World War II and Korea, Vietnam, the Gulf War, and post-9/11 veterans are now in their late 80s, 90s, and beyond. The center of gravity has firmly shifted to those who, together, make up the overwhelming majority of those who served.

Most of the remaining veterans of World War II and the Korean War are now in their late 80s, 90s, and beyond. The center of gravity has shifted firmly to Vietnam, Gulf War, and post-9/11 veterans, who together make up the overwhelming majority of those who served.

For communities, that means:

• The “Greatest Generation” and the Korean War generation are almost gone and need urgent recognition now.

• The Vietnam generation is moving deeper into retirement and long-term care needs.

• Younger veterans of Iraq and Afghanistan are reshaping what it means to be a veteran – bringing different health issues, family patterns, and economic challenges.

Those trends will keep driving policy debates over VA funding, health care, disability benefits, housing, and mental-health services for years to come.