Which country has the highest pupil-to-teacher ratio (primary)?

Chad has the highest pupil-to-teacher ratio (primary) at 188.99 pupils/teacher as of 2024.

Which country has the lowest pupil-to-teacher ratio (primary)?

San Marino has the lowest pupil-to-teacher ratio (primary) at 5.67 pupils/teacher as of 2024.

The global average for pupil-to-teacher ratio (primary) is 30.91 pupils/teacher as of 2024.

1998

2012

Which country has the highest pupil-to-teacher ratio (primary)?: Chad has the highest pupil-to-teacher ratio (primary) at 188.99 pupils/teacher as of 2024.
Which country has the lowest pupil-to-teacher ratio (primary)?: San Marino has the lowest pupil-to-teacher ratio (primary) at 5.67 pupils/teacher as of 2024.
What is the global average for pupil-to-teacher ratio (primary)?: The global average for pupil-to-teacher ratio (primary) is 30.91 pupils/teacher as of 2024.

Year	Pupil Teacher Ratio Primary	Pupil Teacher Ratio Secondary
2012	—	27.41
1998	—	22.25

Source: UNESCO Institute for Statistics · Updated May 2026