Roughly 36% of people who’ve had a confirmed COVID-19 infection develop long COVID, according to a global meta-analysis published in Open Forum Infectious Diseases. With billions of confirmed infections worldwide since 2020, that translates to hundreds of millions of people affected. In the United States alone, about 6.9% of adults reported having had long COVID as of 2022, and 3.4% said they were currently dealing with it at the time they were surveyed.
How Long COVID Is Defined and Counted
The CDC defines long COVID as a chronic condition that occurs after a SARS-CoV-2 infection and is present for at least three months. Symptoms range widely, from fatigue and brain fog to heart palpitations, shortness of breath, and joint pain. This broad definition means prevalence numbers can vary depending on how strictly a study counts cases, whether it relies on self-reporting or clinical diagnosis, and which population it surveys.
The 36% global figure comes from pooling dozens of studies and includes anyone with at least one persistent symptom. That’s a higher number than what household surveys find, partly because clinical studies tend to follow up more rigorously. The CDC’s U.S. household survey data, which asks people directly, puts the number lower: about 1 in 15 adults currently living with the condition in 2022.
U.S. Prevalence by Age, Sex, and Race
Long COVID does not affect all groups equally. Women are significantly more likely than men to develop it: 8.5% of women reported ever having long COVID compared to 5.2% of men. Women were also nearly twice as likely to currently have it (4.4% vs. 2.3%).
The age group hit hardest is adults 35 to 49, with 8.9% reporting long COVID at some point. Adults 65 and older had the lowest rate at 4.1%, which may partly reflect survival bias and differences in healthcare access. Among racial and ethnic groups, Hispanic adults had the highest rate (8.3%), followed by white adults (7.1%) and Black adults (5.4%). Asian adults had the lowest rate at 2.6%.
Income matters too. Adults in lower-income households were more likely to have long COVID than those with higher incomes. People living in rural and smaller metro areas also reported higher rates than those in large cities, with 7.7% in nonmetropolitan areas compared to 6.3% in large central metro areas.
Long COVID in Children
Children develop long COVID at lower rates than adults, but it still affects a meaningful number of kids. In 2022, 1.3% of U.S. children had experienced long COVID, and 0.5% currently had it. Teenagers aged 12 to 17 were the most affected (2.0%), while younger children aged 0 to 5 had the lowest rate (1.0%). Girls were more likely than boys to develop it, mirroring the gender pattern seen in adults.
Severity of Initial Infection Matters Less Than You’d Think
One of the more surprising findings in long COVID research is that a mild initial infection doesn’t necessarily protect you from long-term symptoms. A study following patients at two healthcare centers in Madrid found that nearly 60% of hospitalized COVID patients and 68% of those who were never hospitalized still reported at least one persistent symptom two years later. There were no significant differences in post-COVID symptoms between the two groups. This reinforces that long COVID symptoms are not driven by infection severity alone.
The Omicron Shift
The variant you were infected with makes a real difference. A large study published in The Lancet found that 4.5% of people infected during the Omicron wave developed long COVID, compared to 10.8% during the Delta wave. Depending on age and vaccination timing, Omicron infections carried 50% to 76% lower odds of leading to long COVID than Delta infections. Since most infections worldwide since early 2022 have been Omicron or its subvariants, the per-infection risk of long COVID has likely dropped from its peak, though the sheer volume of infections keeps the total number of cases high.
How Long It Lasts
Long COVID is not permanent for everyone, but recovery can be slow. A population-based study published in The BMJ tracked recovery over two years and found that 22.9% of infected individuals hadn’t fully recovered by six months. That number dropped to 18.5% at 12 months and 17.2% at 24 months. The decline is real but modest, meaning most of the recovery that’s going to happen occurs in the first year. At the two-year mark, about 18% of people were still reporting active symptoms.
In practical terms, roughly 1 in 5 people with long COVID symptoms at six months will see meaningful improvement over the following 18 months. But for the rest, symptoms appear to plateau rather than resolve, suggesting a substantial population living with a chronic condition.
The Workforce Impact
Long COVID has had a measurable effect on the labor market. A Brookings analysis estimated that the condition reduced U.S. labor force participation by about 0.3 percentage points, equivalent to roughly 700,000 people either leaving work entirely or being unable to enter the workforce. A separate review from the Department of Health and Human Services found that people with long COVID are less likely to be employed, and those who do work tend to log fewer hours than their peers without the condition.
These numbers reflect not just the volume of people affected but the nature of the most common symptoms. Persistent fatigue, cognitive difficulties, and exercise intolerance are particularly disabling in workplace settings, even when they don’t meet the threshold for traditional disability classifications.