For that indicator, UNESCO provides data for Vietnam from 1970 to 2018. The average value for Vietnam during that period was 6 years with a minumum of 6 years in 1970 and a maximum of 6 years in 1970.
See the global rankings for that indicator or
use the country comparator to compare trends over time.
Definition: Primary school starting age is the age at which students would enter primary education, assuming they had started at the official entrance age for the lowest level of education, had studied full-time throughout and had progressed through the system without repeating or skipping a grade.