Hidden costs of global agrifood systems worth at least $10 trillion

The 154-country study makes a case for true cost accounting to guide policy

Our current agrifood systems impose huge hidden costs on our health, the environment and society, equivalent to at least $10 trillion a year, according to a ground-breaking analysis by the Food and Agriculture Organisation of the United Nations (FAO), covering 154 countries. This represents almost 10 per cent of global GDP.

According to the 2023 edition of The State of Food and Agriculture (SOFA), the biggest hidden costs (more than 70 per cent) are driven by unhealthy diets, high in ultra-processed foods, fats and sugars, leading to obesity and non-communicable diseases, and causing labour productivity losses. Such losses are particularly high in high- and upper-middle-income countries.

One-fifth of the total costs are environment-related, from greenhouse gas and nitrogen emissions, land-use change and water use. This is a problem that affects all countries, and the scale is probably underestimated due to data limitations.

Low-income countries are proportionately the hardest hit by hidden costs of agrifood systems, which represent more than a quarter of their GDP, as opposed to less than 12 per cent in middle-income countries and less than 8 per cent in high-income countries. In low-income countries, hidden costs associated with poverty and undernourishment are the most significant.

The report makes the case for more regular and detailed analysis by governments and the private sector of the hidden or ‘true’ costs of agrifood systems via true cost accounting, followed by actions to mitigate these harms.

There have been other attempts at measuring the hidden costs of agrifood systems, producing similar estimates as FAO. The new FAO report, however, is the first to disaggregate these costs down to the national level and ensure they are comparable across cost categories and between countries.

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