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NewsThe WHO's latest Global Health Estimates show global life expectancy has nearly bounced back to pre-pandemic levels at 73.3 years, but noncommunicable diseases (NCDs) are taking a bigger toll than ever. NCDs now account for 74% of all global deaths, up from 58% in 2000, with cardiovascular disease, dementia, diabetes, and mental health conditions leading the charge. The data signals a world living longer — but not necessarily healthier.
The WHO just released its latest Global Health Estimates, covering trends from 2000 to 2023, and the picture is nuanced: the world is recovering from COVID-19's blow to life expectancy, but noncommunicable diseases (NCDs) are reshaping how and why people die. Global life expectancy reached 73.3 years in 2023 — nearly back to the 73.4 years seen in 2019 — but healthy life expectancy still lags, sitting 0.4 years below pre-pandemic levels.
The long-term shift toward NCDs is accelerating across all income groups. For the first time ever, communicable diseases accounted for less than half of all deaths even in low-income countries. Dementia jumped from the 19th to the 5th leading cause of death globally since 2000, and anxiety disorder burden surged nearly 45% between 2019 and 2023 alone.
By the Numbers:
Why it matters: These estimates are more than a report card — they're a roadmap. As populations age and NCDs dominate, health systems worldwide must pivot toward chronic disease prevention and mental health infrastructure, or risk being overwhelmed by a burden that's only growing.