Sri Lanka vs Tonga: Pupil-teacher ratio, primary

Sri Lanka

21.74

in 2018

Tonga

21.63

in 2015

Sri Lanka rank

85th

Tonga rank

86th

Pupil-teacher ratio, primary over time

Sri Lanka currently reports 21.74 against 21.63 in Tonga, a difference of 0.1043.

The two have swapped places 4 times across 22 shared years of data; in 1976 it was Sri Lanka ahead.

Globally, Sri Lanka ranks 85th and Tonga ranks 86th of 199 countries.

Indicator: Pupil-teacher ratio, primary
Source: Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO)
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 242 places, 8,053 data points, 1970–2019
Last refreshed: 06 August 2026

Primary school pupil-teacher ratio is the average number of pupils per teacher in primary school.