Sierra Leone vs Tajikistan: Reported versus estimated cases of polio
Sierra Leone
0 cases
in 2023
Tajikistan
0 cases
in 2023
Sierra Leone rank
26th
Tajikistan rank
26th
Reported versus estimated cases of polio over time
- Sierra Leone
- Tajikistan
How they compare
Sierra Leone currently reports 0 cases against 0 cases in Tajikistan, a difference of 0 cases.
The two have swapped places 6 times across 32 shared years of data; in 1991 it was Tajikistan ahead.
Sierra Leone ranks 26th and Tajikistan ranks 26th of 199 countries.
Across the 4 decades both report, Sierra Leone averaged higher in 1 and Tajikistan in 3.
Head to head by decade
| Decade | Sierra Leone | Tajikistan | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 11.38 cases | 20.12 cases | 8.75 cases | Tajikistan |
| 2000s | 4.5 cases | 0 cases | 4.5 cases | Sierra Leone |
| 2010s | 0.1 cases | 46 cases | 45.9 cases | Tajikistan |
| 2020s | 3.75 cases | 9 cases | 5.25 cases | Tajikistan |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher reported versus estimated cases of polio, Sierra Leone or Tajikistan?
- Sierra Leone, at 0 cases against 0 cases in Tajikistan as of 2023.
- What is the difference in reported versus estimated cases of polio between Sierra Leone and Tajikistan?
- 0 cases, with Sierra Leone ahead.
- How many years of comparable data are there for Sierra Leone and Tajikistan?
- 32 years are reported by both, from 1991 to 2023.
- How do Sierra Leone and Tajikistan rank globally for reported versus estimated cases of polio?
- Sierra Leone ranks 26th and Tajikistan ranks 26th of 199 countries.
- Where does this data come from?
- World Health Organization (2019); World Health Organization (2024) – processed by Our World in Data, published as Reported versus estimated cases of polio. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Sum of wild poliovirus cases and circulating vaccine derived poliovirus cases.