The study authors attribute these advances to public health interventions that have improved survival rates for cardiovascular disease, COVID-19, and various infectious and nutritional diseases. However, due to risk factors such as obesity, high blood pressure and smoking, the disease burden is shifting towards non-communicable diseases such as cardiovascular diseases, cancer and diabetes.
Global life expectancy is projected to increase from 73.6 years in 2022 to 78.1 years in 2050. However, healthy life expectancy (HALE), which measures the number of years lived in good health, will increase from 64.8 years to 67.4 years. This suggests that although people will live longer, they will remain unhealthy for many more years.
Chris Murray of the University of Washington points out that the gap in life expectancy between high- and low-income regions is narrowing, especially in sub-Saharan Africa.
Source: Ferra
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