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Siera
2,543 recorded births · active 1983–2025
Living-age distribution
The median living Siera is 29. If you meet a Siera, there's about a 70% chance they're between 21 and 36 years old.
Popularity arc
● One-Generation WonderA sharp, defining spike for one generation, then a steep fade.
Peak Siera: 1996. Down 94% from peak.
Geographic fingerprint
Sieras are 0.6x more common in the West than the national average.