Tanzania, United Republic of vs Zambia: Reported versus estimated cases of polio
Tanzania, United Republic of
2 cases
in 2023
Zambia
1 cases
in 2023
Tanzania, United Republic of rank
19th
Zambia rank
21st
Reported versus estimated cases of polio over time
- Tanzania, United Republic of
- Zambia
How they compare
Tanzania, United Republic of currently reports 2 cases against 1 cases in Zambia, a difference of 1 cases.
That makes Tanzania, United Republic of's figure about 2.0 times Zambia's.
The two have swapped places 7 times across 42 shared years of data; in 1980 it was Zambia ahead.
Tanzania, United Republic of ranks 19th and Zambia ranks 21st of 199 countries.
Across the 5 decades both report, Tanzania, United Republic of averaged higher in 1 and Zambia in 4.
Head to head by decade
| Decade | Tanzania, United Republic of | Zambia | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 155 cases | 177 cases | 22 cases | Zambia |
| 1990s | 13.38 cases | 63.5 cases | 50.12 cases | Zambia |
| 2000s | 0 cases | 0.5 cases | 0.5 cases | Zambia |
| 2010s | 0 cases | 0.2 cases | 0.2 cases | Zambia |
| 2020s | 0.5 cases | 0.25 cases | 0.25 cases | Tanzania, United Republic of |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher reported versus estimated cases of polio, Tanzania, United Republic of or Zambia?
- Tanzania, United Republic of, at 2 cases against 1 cases in Zambia as of 2023.
- What is the difference in reported versus estimated cases of polio between Tanzania, United Republic of and Zambia?
- 1 cases, with Tanzania, United Republic of ahead.
- How many years of comparable data are there for Tanzania, United Republic of and Zambia?
- 42 years are reported by both, from 1980 to 2023.
- How do Tanzania, United Republic of and Zambia rank globally for reported versus estimated cases of polio?
- Tanzania, United Republic of ranks 19th and Zambia ranks 21st 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.