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What percentage of people over 70 have a pacemaker?

While no single definitive percentage exists for all people over 70, studies show pacemaker implantation rates increase significantly with age. A 1988 U.S. study estimated a 2.6% prevalence among those 75 and older, and over 70% of pacemaker recipients are at least 65 years old. The aging of the population and advances in technology mean these numbers are likely to have grown.