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What percentage of people are left-handed?

~10%

Approximately 10% of people worldwide are left-handed. This ratio has been remarkably consistent across cultures and throughout recorded history. Left-handedness is more common in males (11%) than females (9%), and identical twins don't always share handedness — suggesting environmental factors play a role alongside genetics.

Source: Papadatou-Pastou et al. (2020), PLOS ONE

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Handedness

Only 1 in 10 people are left-handed.

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