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Disease facts & stats

5 sourced facts about diseases and the leading causes of death, each with the context behind the number. 4 more are in today's round and appear here after it closes.

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Going deeper

Cancer is the second-leading cause of US deaths. About how many died of it in 2024?

Answer619,876 deaths

Cancer killed nearly 620,000 Americans in 2024, just behind heart disease.

Source: CDC NCHS FastStats (2024) cdc.gov

About how many total deaths did the top 10 leading causes account for in the US in 2024?

Answerabout 2.18 million (sum of the 10 listed 2024 causes = 2,179,957; page does not state a single combined total)

The top 10 causes of death together accounted for roughly 2.4 million deaths in the US.

Source: CDC NCHS FastStats (2024) cdc.gov

Ischaemic heart disease is the world's #1 killer. What share of all global deaths did it cause in 2021?

Answerabout 13%

Heart disease caused about 9.1 million deaths worldwide, roughly 13% of the global total.

Source: World Health Organization (2021) who.int

Expert level

COVID-19 became the world's #2 cause of death in 2021. About how many people died from it that year?

Answerabout 8.8 million

COVID-19 killed an estimated 8.8 million people worldwide in 2021 alone, per WHO estimates.

Source: World Health Organization (2021) who.int

About how many Americans died of kidney disease in 2024?

Answer55,081 deaths

Kidney disease killed about 55,000 Americans in 2024.

Source: CDC NCHS FastStats (2024) cdc.gov

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