The Tai Viet block spans U+AA80–U+AADF, 96 codepoints in Plane 0 (Basic Multilingual Plane). 72 are assigned in Unicode 16.0; the other 24 are reserved for future characters.
All of its characters belong to the Tai Viet script.
By general category: 60 other letters (Lo), 9 non-spacing marks (Mn), 2 other punctuation (Po), 1 modifier letters (Lm).
The first 72 arrived in Unicode 5.2 (2009).