(Using the most recent publicly available data from 2024–2026)
| Justice | Birth Year | Approx. Age |
|---|---|---|
| Clarence Thomas | 1948 | ~77 |
| Samuel Alito | 1950 | ~74 |
| Sonia Sotomayor | 1954 | ~70 |
| John Roberts | 1955 | ~69 |
| Elena Kagan | 1960 | ~64 |
| Brett Kavanaugh | 1965 | ~59 |
| Neil Gorsuch | 1967 | ~57 |
| Ketanji Brown Jackson | 1970 | ~54 |
| Amy Coney Barrett | 1972 | ~52 |
These ages reflect the typical range reported across major news and judicial‑tracking sources.
Average Age of Retirement or Death for Supreme Court Justices
Modern Era (2000–present)
- Average retirement age: ~80 years old
(Based on aggregated reporting from major outlets tracking judicial tenure.)
Historical Pattern (1789–present)
- Justices historically leave the Court through retirement or death at ages clustered in the late 70s to early 80s.
- Life tenure + increased longevity = longer service arcs than in earlier eras.
Synthesis:
Across both modern and historical data, the typical exit age is around 78–82.
Structural Notes (Audience‑Facing)
- Life tenure + exit age ~80 creates multi‑decade influence arcs.
- Age distribution shapes institutional continuity, interpretive stability, and timing of ideological shifts.
- When paired with functional prohibition/consent, long tenures help explain how structural authority persists across generational cycles.
If you want, I can generate:
- a tenure‑projection timeline,
- a structural map of how life tenure interacts with democratic degradation,
- or a role‑script analysis of age distribution within your FP/FC framework.
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