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Friday, August 17, 2018
How Humanity Won the War on Famine Thanks to the wonders of science, markets, and democracy, famines have today all but disappeared outside of war zones. by Marian L. Tupy
Adequate nutrition is a basic requirement for human survival, yet historically food has always been scarce. The prevalence of food shortages can be gleaned from the profusion of commonly used idioms, such as “feast today, famine tomorrow,” children’s stories such asHansel and Gretel, and scriptural references, such as the Biblical Four Horsemen of the Apocalypse, in which Famine accompanies Pestilence, War, and Death.
A Global Increase in Calories Per Capita
The world’s poorest region now enjoys access to food that is roughly equivalent to that of the Portuguese in the early 1960s.
In fact, the greatest famine of all time occurred between 1958 and 1962, when Mao Tse Tung used brute force to nationalize China’s farmland, causing between 23 and 55 million deaths in the process. The “Great Leap Forward” was paradoxical for two reasons. First, historically speaking, famines were more likely to occur as a result of harvest failures that were precipitated by droughts or flooding, rather than violence. Second, food security increased tremendously during the second half of the 20th century. The global average population weighted food supply per person rose from 2,225 calories a day in 1961 to 2,882 calories in 2013.
To put these figures in perspective, the US Department of Agriculture recommends that moderately active adult men consume between 2,200 and 2,800 calories a day and moderately active women consume between 1,800 and 2,000 calories a day.
In sub-Saharan Africa, food supply rose from 2,004 calories in 1961 to 2,465 calories in 2013. Put differently, the world’s poorest region now enjoys access to food that is roughly equivalent to that of the Portuguese in the early 1960s. In fact, scientists from the African Population and Health Research Center in Kenya estimate that in four out of 24 African countries surveyed, obesity prevalence among urban women exceeded 20 percent. In the other countries, it ranged between 10 percent and 19 percent.
(click to enlarge)
What accounts for the growing access to food?
How Did It Happen?
First, agricultural productivity has greatly improved due to more scientific methods of farming, access to plentiful and much-improved fertilizers and pesticides, and new high-yield and disease-resistant plants. The main hero of this story was an American agronomist and the winner of the 1970 Nobel Peace Prize, Norman Borlaug.In the mid-20th century, Borlaug:
Worked with the governments of Mexico, India and Pakistan to introduce a combination of modern agricultural production techniques and his new high-yield wheat varieties. As a result, Mexico became a net exporter of wheat by 1963. Between 1965 and 1970, wheat yields nearly doubled in Pakistan and India, greatly improving the food security in the subcontinent. These collective increases in yield have been labelled the Green Revolution and Mr. Borlaug is often credited with saving over a billion people from starvation.
The second reason we are so much better fed is simply that the world has grown much richer and people can afford to buy more food. The average global income per person per day rose from $3.70 in 1900 to $35 in 2000 (both figures are in 2018 US dollars).
Not only have incomes risen, but food has also become cheaper. The Food Price Index compiled by the Food and Agriculture Organization of the United Nations shows that inflation-adjusted food prices in 2017 were lower than in 1961. Or, to take a longer view, the value of the Grilli and Yang Food Price Index has halved between 1906 and 2006. Improved transport and communications have also played their part, allowing countries with plentiful harvests to sell or donate their agricultural surpluses to countries suffering from food shortages.
Another important factor has been the spread of democracy and a free press, which ensures that governments are more accountable and human rights abuses more widely reported. As Amartya Sen, the winner of the 1998 Nobel Memorial Prize in Economic Science, noted:
No famine has ever taken place in the history of the world in a functioning democracy … [because democratic governments] have to win elections and face public criticism, and have strong incentive to undertake measures to avert famines and other catastrophes.
In his 1968 bookThe Population Bomb, biologist Paul Ehrlich from Stanford University wrote that “The battle to feed all of humanity is over. In the 1970s hundreds of millions of people will starve to death in spite of any crash programs embarked upon now.”
That year, food supply per person amounted to less than 2,000 calories a day in 34 out of 152 countries surveyed. That was true of only 2 out of 173 countries surveyed in 2013. Indeed, thanks to the wonders of science, markets, and democracy, famines have today all but disappeared outside of war zones.