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  • MAP Asia Pacific Ltd

Can the world feed itself sustainably? A primer in seven charts

Agriculture is not what it was — and, given that the global population is also not what it was, that may seem a good thing. Since the middle of the last century, new crop varieties, new cultivation techniques and new technologies have brought about a revolution in productivity: the average hectare, for example, now yields three times the tonnage of cereals that it did in 1961, according to Our World in Data.

But whether this is sustainable is a different matter. The costs that the modern food system imposes — in terms of deforestation, greenhouse gas emissions, biodiversity and human health — are becoming clearer year by hotter year. Brazil provides a case in point: an agricultural powerhouse, it may also be nearing a catastrophic ecological tipping point beyond which its rainforest cannot regenerate.

The question, then, is whether the world’s farmers and food businesses can feed more people in a healthy and equitable way without adding to the environmental degradation and global warming that threaten to make some populated areas unlivable.

The following charts offer an overview of some of the key factors to consider — food for thought, if you like — starting with the sheer number of mouths to feed.

The rate of growth of the world’s population is slowing, but the 9bn mark is imminent. The peak, 60 years or so from now, is expected to be 10.4bn people.

Meanwhile, the trend in the reduction of hunger globally is reversing — as starkly described in the UN Food and Agriculture Organization’s 2022 report on food security and nutrition. “This year’s report,” the FAO says, “should dispel any lingering doubts that the world is moving backwards in its efforts to end hunger, food insecurity, and malnutrition.”

This has prompted widespread concern about how an extra 2.5bn people are to be fed, particularly as rising real incomes in the developing world are usually associated with increased consumption of resource-intensive meat. Yet agricultural production has consistently outpaced population growth . . . 



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