How Old Is Someone Born in 1925?

A person born in 1925 turns 101 in 2026, so they are 100 before their birthday and 101 after it. Only a small share of people born in 1925 are still living, so the question of how old is someone born in 1925 comes up most often in family history work. Enter the full date of birth in the age calculator to get the exact age in years, months and days.

Born in 1925

Add the birthday for an exact age
Chinese zodiac
Wood Ox
Leap year
No, 365 days

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Age today for everyone born in 1925

100birthday still ahead
101birthday already passed

About 80% of people born in 1925 have already had their birthday this year.

Days lived
Weeks
Months
Born on a
Next birthday
Days to go
  1. 105in 2030
  2. 115in 2040
  3. 125in 2050

Anyone born in 1925 belongs to the Greatest Generation, the group born from about 1901 to 1927. Below you will find the age for each part of 2026, the ages in future years and the facts tied to 1925. Each figure is worked out from the Gregorian calendar, so leap years are already included.

Antique gramophone with a brass horn in a 1920s parlor
Home life in the mid 1920s, when people born in 1925 were babies.

How Old Is Someone Born in 1925 Right Now?

As of October 18, 2026, everyone born in 1925 with a birthday from January 1 to October 18 is 101. Those with birthdays from October 19 onward are 100 for a few more weeks. Once December 31 passes, the whole 1925 group is 101 and stays there until their next birthday.

In days, the 1925 group spans a wide range: 37,180 days for a January 1 birthday and 36,816 for December 31, counted to October 18, 2026. That is a gap of 364 days within the same birth year. It is the reason how old is someone born in 1925 has two possible answers on most days of the year.

Age today by birth month

  1. Jan101
  2. Feb101
  3. Mar101
  4. Apr101
  5. May101
  6. Jun101
  7. Jul101
  8. Aug101
  9. Sep101
  10. Oct100/101
  11. Nov100
  12. Dec100

Birthday passed This month Still ahead

0days lived if born January 1, 1925
0days lived if born December 31, 1925

Future Ages and Milestones for 1925

Someone born in 1925 will be 105 in 2030, 115 in 2040 and 125 in 2050, counting from the birthday in each of those years. Adulthood at 18 arrived in 1943, and the legal drinking age of 21 followed in 1946. The 100th birthday for this group falls in 2025.

People born in 1925 reached Medicare age, 65, in 1990. Their full retirement age for Social Security is 65, set by birth year under federal rules. Social Security's earliest claiming age of 62 fell in 1987, when the rules for this group were already in place.

Milestone years for 1925

  1. 18Legal adult in every US state1943
  2. 21Legal drinking age1946
  3. 30Turns 301955
  4. 40Turns 401965
  5. 50Turns 501975
  6. 60Turns 601985
  7. 65Medicare eligibility1990
  8. 70Turns 701995
  9. 80Turns 802005
  10. 90Turns 902015
  11. 100Centenarian2025

Generation, Chinese Zodiac and Leap Year for 1925

Under the generation chart used on this site, 1925 belongs to the Greatest Generation, and the Silent Generation came after it. Because 1925 is not a boundary year, the generation label is rarely disputed. Beyond how old is someone born in 1925, the generation page explains the years, the name and what shaped the group.

In the Chinese zodiac, most of 1925 is the year of the Wood Ox, starting with the Lunar New Year on January 24, 1925. People born in 1925 before that date belong to the previous animal, the Rat. 1925 was a common year of 365 days that began on a Thursday, with no February 29.

GenerationGreatest Generation

Born 1901 to 1927

About the Greatest Generation
Chinese zodiacWood Ox

From the Lunar New Year on January 24, 1925. Earlier 1925 births are the Wood Rat.

Chinese age calculator
CalendarCommon year

365 days, no February 29. January 1, 1925 fell on a Thursday.

Age in days

School Timeline for Children Born in 1925

With the common September 1 cutoff, children born from January 1 to September 1, 1925 were old enough for kindergarten in the fall of 1930. Those born from September 2 to December 31 usually started a year later, in 1931. Cutoff dates vary by state, so the real start year can shift by one.

The same split put most people born in 1925 in the high school class of 1943 or 1944. A typical four year college class for this birth year graduated around 1947. The age by grade page lists the ages for each grade in detail.

School timeline with a September 1 cutoff

Born January 1 to September 1

  1. KStarts kindergartenFall 1930
  2. 12Class of1943
  3. 262026 to 2027 school yearFinished high school

Born September 2 to December 31

  1. KStarts kindergartenFall 1931
  2. 12Class of1944
  3. 262026 to 2027 school yearFinished high school

Cutoff dates vary by state. See the age by grade chart.

Frequently Asked Questions

How old is someone born in 1925?

Asked how old is someone born in 1925, the answer in 2026 is 101 after the birthday and 100 before it. The birthday decides which age applies. Use the full date of birth for an exact answer.

What generation is someone born in 1925?

People born in 1925 belong to the Greatest Generation. That group covers births from 1901 to 1927. Some sources draw the lines a year or two differently.

What is the Chinese zodiac for 1925?

Most of 1925 is the year of the Wood Ox. The animal changes at the Lunar New Year, which fell on January 24, 1925. Births before that date take the previous sign, the Rat.

Was 1925 a leap year?

No, 1925 was a common year with 365 days. It had no February 29. The nearest leap years were 1924 and 1928.

When did someone born in 1925 turn 100?

A person born in 1925 turned 100 in 2025, on their birthday that year. Centenarians are a fast growing group in the United States. Their exact age today is 101 after the 2026 birthday.