World Bank · Health

Sierra Leone: Immunization, Pol3

91percent · 2024+9.6% since 2014

Child immunization rate, polio, is the percentage of children ages 12-23 months who received polio vaccinations before 12 months or at any time before the survey. A child is considered adequately immunized after three doses. Annual figures for Sierra Leone from 1999 to 2024.

19992024

Every year

YearValue (percent)Note
202491
202391
202291
202190
202090
201995
201893
201790
201684
201586
201483
201392
201291
201188
201084
200981
200875
200763
200665
200567
200469
200366
200254
200138
200046
199961

Source

Published by World Bank. Licence: CC BY 4.0. Retrieved 2026-11-05.

The dataset for every country, with quality and provenance →

Cite or download

World Bank (2026). Immunization, Pol3. Interva. https://interva.co/dataset/worldbank-immunization-pol3 (accessed 2026-11-07). catalog snapshot 2026-11-05.

CSV, all countriesJSON, Sierra LeoneAPI and MCP

Immunization, Pol3 in other countries

Rank Sierra Leone against its region, see where publishers disagree, or ask a question in plain words on the Interva desk.

Sierra Leone: Immunization, Pol3 (1999–2024) · Interva