Enter a birth year to see its named generation - from the Greatest Generation through Generation Alpha - so you can label every relative in your tree correctly.
Enter a birth year above to see its named generation.
| Generation | Birth years |
|---|---|
| Lost Generation | 1883-1900 |
| Greatest Generation | 1901-1927 |
| Silent Generation | 1928-1945 |
| Baby Boomers | 1946-1964 |
| Generation X | 1965-1980 |
| Millennials (Gen Y) | 1981-1996 |
| Generation Z | 1997-2012 |
| Generation Alpha | 2013-2024 |
| Generation Beta | 2025-present |
The ranges follow the definitions most commonly used by Pew Research and the US Census Bureau. Some organizations use slightly different cutoff years, especially at the edges of Generation Z and Generation Alpha.
Labeling relatives by generation makes it easier to spot patterns - like generation-skipping traits or clustered birth years - across a large family tree.
The result is calculated locally in your browser. The year you submit may be logged to help us understand how the tool is used, but it is never shared publicly or tied to your identity unless you are signed in.