John vs. Jon: which name is older?
The average John is 55 and the average Jon is 54, so John is the older name, by about 1 year.
John and Jon sound alike, so the spelling is the clue: a John is more likely to have been born after World War II, and a Jon in the mid 1960s.
John
Jon
When was each name popular?
John peaked first, in 1947 (after World War II). Jon peaked in 1964, 17 years later.
Which name is more common?
There are about 2.7 million Johns and about 130,000 Jons alive in the US, so there are about 21 times as many Johns as Jons.
Boys or girls?
Both are boys' names: over 99% of living Johns and over 99% of living Jons are men.
Names the same age as John
Names the same age as Jon
More comparisons: John vs. Jack
Think you can guess a John's age?
Ten names, one slider each. Share your score.
John or Jon: questions
Which is older, John or Jon?
The average John is 55 and the average Jon is 54, so John is the older name, by about 1 year.
How old is the average John?
The average John in the US is 55; half of all living Johns are between 41 and 71.
How old is the average Jon?
The average Jon in the US is 54; half of all living Jons are between 44 and 66.
Which is more common, John or Jon?
There are about 2.7 million Johns and about 130,000 Jons alive in the US, so there are about 21 times as many Johns as Jons.
Estimates from Social Security Administration baby-name records (births 1880–2025) and SSA cohort life tables (2026 Trustees Report). How we calculate this