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Deaf people
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Deafblind people
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Sign Names
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Deaf and Hard-of-hearing people Worldwide (real time estimate*)
* Note: This counter displays a real-time estimate based on data from the
World Health Organization (WHO, 2025)
. The formula assumes an estimated global population of 430 million deaf and hard-of-hearing people in February 2025,
increasing by approximately 0.342 persons per second — projected to reach 700 million by 2050 according to WHO forecasts:
P(t) = 430,000,000 + 0.342 × seconds_since_Feb_2025
📊 Signs Unusualverse in Graphs
People by Topic
Top 10 Countries
Births and Deaths by Decade (20th Century onward)
❓ Fun Facts
1440
Year of birth of the oldest deaf person: Cristoforo de Predis
2011
Year of birth of the youngest deaf person: Maisie Sly
1989
Year in which the most famous deaf people were born: with 15 deaf people
A
First letter of the name with the most deaf people: with 71 deaf people
