How old is someone named Peter?
The average Peter is 51 years old.
Half of all living Peters are between 36 and 67.
When was Peter popular?
Few names are as steady as Peter. It peaked in 1957, but babies have been named Peter every year since records began, and 1,954 were in 2025.
Popular names of 1957 · The most popular names of the 1950s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 4,381 | 0 |
| 1910s | 25,039 | 0 |
| 1920s | 34,270 | 200 |
| 1930s | 35,980 | 4,800 |
| 1940s | 69,513 | 30,000 |
| 1950s | 102,931 | 68,000 |
| 1960s | 92,686 | 75,000 |
| 1970s | 62,649 | 56,000 |
| 1980s | 57,071 | 54,000 |
| 1990s | 42,501 | 41,000 |
| 2000s | 26,160 | 26,000 |
| 2010s | 18,725 | 19,000 |
| 2020s | 10,929 | 11,000 |
How many Peters are still alive?
About 380,000 Peters are alive in the US today. That's 65% of the roughly 590,000 babies named Peter since 1880.
Roughly half of all Peters ever born are still living.
What generation is the name Peter?
About one in three living Peters are Baby Boomers, born between 1946 and 1964.
Is Peter an old name?
Yes. Peter is older than 79 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Peter will be 54 in 2056, about the same as today.
Is Peter a boy or girl name?
Almost entirely boys: 99.7% of living Peters are men.
Names the same age as Peter
NAME TWIN
Peter's name twin is David. Of all 3,713 names on AgeByName, David's age curve is the closest match to Peter's: 95% alike.
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Questions about the name Peter
How old is the average Peter?
The average Peter in the US is 51 years old. The median is 54, so half are older and half younger.
How many people are named Peter?
About 380,000 Peters are alive in the US today, out of roughly 590,000 babies given the name since 1880.
When was the name Peter most popular?
In 1957, when about 12,000 baby boys were named Peter.
Is Peter a Boomer name?
Partly. Baby Boomers are the largest group, about 32% of living Peters, but the name spans several generations.
Estimates from Social Security Administration baby-name records (births 1880–2025) and SSA cohort life tables (2026 Trustees Report). Updated each spring. How we calculate this