Similar to the indexing question, this is only true for some cultures:
"East Asian age reckoning originated in China and continues in limited use there along with Japan and Vietnam, and is still common in Korea. People are born at the age of one..."
https://en.wikipedia.org/wiki/East_Asian_age_reckoning
Similar to the indexing question, this is only true for some cultures:
"East Asian age reckoning originated in China and continues in limited use there along with Japan and Vietnam, and is still common in Korea. People are born at the age of one..."
https://en.wikipedia.org/wiki/East_Asian_age_reckoning