Among adults, the global obesity rate more than doubled in women and nearly tripled in men. In total, 159 million children and adolescents and 879 million adults were living with obesity in 2022, according to the study.
In India, adult obesity rate increased from 1.2 per cent in 1990 to 9.8 per cent in 2022 for women and 0.5 per cent to 5.4 per cent for men. Nearly 44 million women and 26 million men had obesity in 2022.
Between 1990 and 2022, the proportion of the world’s children and adolescents who were affected by underweight fell by around one-fifth in girls and more than one-third in boys. The proportion of the world’s adults who were affected by being underweight more than halved over the same period.
The obesity rate increased from 0.1 per cent in 1990 to 3.1 per cent in 2022 for girls and 0.1 per cent to 3.9 per cent in 2022 for boys.
The researchers analysed weight and height measurements from over 220 million people aged five years or older (63 million people aged five to 19 years, and 158 million aged 20 years or older), representing more than 190 countries.
Over 1,500 researchers contributed to the study, which looked at body mass index (BMI) to understand how obesity and underweight have changed worldwide from 1990 to 2022.
From 1990 to 2022, global obesity rates more than quadrupled in girls and boys, with increases seen in almost all countries, the study found.
The proportion of underweight girls fell from 10.3 per cent in 1990 to 8.2 per cent in 2022, and for boys, it fell from 16.7 per cent to 10.8 per cent, the researchers said.
Among girls, a decrease in the rates of underweight was detected in 44 countries, whilst among boys, a decrease was noted in 80 countries, they said.
The total number of children and adolescents who were affected by obesity in 2022 was nearly 160 million (65 million girls and 94 million boys), compared to 31 million in 1990. Whereas 77 million girls and 108 million boys were underweight in 2022, decreasing from 81 million for girls and 138 million for boys in 1990.
In adults, obesity rates more than doubled among women and nearly tripled in men between 1990 and 2022. The proportion of adults who were underweight halved between 1990 and 2022.
In all age groups, the combined burden of both forms of malnutrition increased in most countries between 1990 and 2022, driven by increasing obesity rates.
However, the double burden of malnutrition declined in many countries in South and Southeast Asia, and in some countries in Africa for men, where the rate of underweight fell steeply.
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