A Plain-English Guide to Ancestry’s 2026 Ancestral Regions Update: Part 1
Every few years, AncestryDNA customers open their results and find that their ancestral regions have changed, even though their DNA hasn’t. The 2026 update is one of the biggest yet. Ancestry now reports 302 ancestral regions, up from 146 in 2025, and it rebuilt much of the method behind the estimates: a reference panel of more than 295,000 samples, a new way of comparing your DNA to that panel, and an AI transformer in […]



