Number of polio cases


Nigeria is the top country by polio cases in the world. As of 2018, polio cases in Nigeria was 34 that accounts for 32.69% of the world's polio cases. The top 5 countries (others are Papua New Guinea, Democratic Republic of the Congo, Somalia, and Niger) account for 98.08% of it. The world's total polio cases was estimated at 104 in 2018.

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