Who gets Parkinson's disease the most?

Who Is Most at Risk for Parkinson’s Disease?

While Parkinson’s disease can affect anyone, certain factors significantly increase the likelihood of developing it. The most prominent risk factor? Age. The vast majority of cases appear in people over 60, with the average age of onset hovering around that mark. It’s relatively uncommon in younger adults, though it’s not impossible.

Men are more likely than women to be diagnosed with Parkinson’s, a pattern observed consistently across studies. Researchers aren’t entirely sure why, but some suspect hormonal differences—particularly the protective role of estrogen—may play a part. Others point to environmental exposures or genetic variations between genders.

Still, aging remains the strongest predictor. As life expectancy increases, so does the number of people living with Parkinson’s. This doesn’t mean aging guarantees the condition—far from it—but the risk rises steadily with each passing decade after 60.

Family history and genetics can also influence susceptibility, though most cases occur without a clear inherited link. Environmental factors, such as prolonged exposure to certain pesticides or head injuries, may contribute, but the science is still evolving.

It’s important to remember that while men over 60 face the highest statistical risk, Parkinson’s doesn’t follow a strict formula. Awareness of early signs—like tremors, stiffness, or changes in movement—can help with earlier diagnosis and better management, regardless of gender or age. The more we understand about who is most vulnerable, the closer we get to better treatments and, ultimately, prevention.