Ancestry changes DNA ethnicity estimates

Ancestry recently changed the number of reference samples for ethnicity estimates from 3,000 to 16,0000, and as a result their estimates of a person’s ethnicity have become more refined.

In the case of my wife (who’s recent ancestors are all Mexican) and my (my recent ancestors are either from the British isles, or Austro-Hungarian Empire and Northern Germany) estimates, the changes make sense.

When you look at your results on Ancestry you can compare the two estimates, and you are given the option of accepting the revised results, if you wish.