A foreigner of good conduct with a family constituted in Uruguay (including a Uruguayan spouse) is entitled to legal citizenship after three years of habitual residence, instead of five.
Sources: Uruguay Constitution — Article 74
A foreign adult of good conduct may seek legal citizenship after three years of habitual residence with family constituted in Uruguay, or five years without, while proving qualifying means or activity.
Sources: Uruguay Electoral Court — Legal citizenship application
Every person born anywhere in the territory of Uruguay is a natural citizen and Uruguayan national.
Sources: Uruguay Constitution — Article 74
A child of a Uruguayan mother or father is a Uruguayan national regardless of birthplace; constitutional natural-citizenship exercise involves the applicable connection and registration steps.
Sources: Uruguay Law No. 16.021 — Nationality
Permanent legal residence for those who prove lawful means of living and genuine intent to reside.