What percentage of the US is lefty?
Sarah Scott
Updated on April 27, 2026
About 10 percent of the population is
left-handed
Studies suggest that approximately 10% of people are left-handed. Mixed-handedness or cross-dominance is the change of hand preference between different tasks. This is very uncommon in the population with about a 1% prevalence. Ambidexterity refers to having equal ability in both hands.
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