how old is the youngest duggar child

The youngest Duggar child in the original “19 Kids and Counting” family is Josie Brooklyn Duggar , who was born on December 10, 2009.

How old is Josie right now?

As of March 2026 , Josie is 16 years old.

She is Jim Bob and Michelle Duggar’s 19th and final child, arriving after an extremely early, high‑risk birth at about 25 weeks gestation.

Quick reference table

Name| Birth date| Age (as of March 2026)
---|---|---
Josie Brooklyn Duggar| December 10, 2009 59| 16 years old

If you’re asking about the overall youngest Duggar (including grandchildren), that spot currently belongs to a much more recent baby from one of the kids’ families, but across the core “19 Kids” brood, Josie remains the last‑born child.