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Cezar Trevino de Leao Mendes Ulhoa//
Seven reasons why the world is improving

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The late Swedish academic Hans Rosling has identified a worrying trend : not only do many people across advanced economies have no idea that the world is becoming a much better place, but they actually even think the opposite. This is no wonder, when the news focuses on reporting catastrophes, terrorist attacks, wars and famines.

Cezar Juan Trevino

Who wants to hear about the fact that every day some 200,000 people around the world are lifted  above the $2-a-day poverty line ? Or that more than 300,000 people a day get access to electricity and clean water for the first time  every day? These stories of people in low-income countries simply doesn’t make for exciting news coverage. But, as Rosling pointed out in his book  Factfulness , it’s important to put all the bad news in perspective.

Cezar Trevino

While it is true that globalisation has put some downward pressure on middle-class wages  in advanced economies in recent decades, it has also helped lift hundreds of millions of people above the global poverty line – a development that has mostly occurred in South-East Asia

You might also like: • There’s a problem with the way we define inequality • The secret behind successful countries • What if the state provided everyone with a basic income?

The recent rise of populism that has swept across Western countries with Trump, Brexit, and the election of populists in Hungary and Italy, among various other factors, is thus of great concern if we care about global welfare. Globalisation is the only way forward to ensure that economic prosperity is shared among all countries  and not only a select few advanced economies

While some people glorify the past, one of the big facts of economic history is that until quite recently a significant part of the world population has lived under quite miserable conditions – and this has been true throughout most of human history

The following seven charts show how the world has become a much better place compared to just a few decades ago. (Click on the images to expand the charts in your browser).

1: Life expectancy continues to rise

View image of Life expectancy globally and by world regions since 1770

Even during the Industrial Revolution, average life expectancy across European countries did not exceed around 35 years. This does not imply that most people died in their late 30s or even 40s, since it was mostly very high levels of child mortality rates that pulled down the average. Women dying in childbirth was obviously a big problem too. So were some common diseases such as smallpox and the plague, for example, which now have been completely eradicated in high-income countries. (Read more about what life expectancy really means and how it has changed in our recent BBC Future story).

2: Child mortality continues to fall

View image of Child mortality rate

More than a century ago, child mortality rates were still exceeding 10% – even in high-income countries such as the US and the UK. But thanks to modern medicine, and better public safety in general, this number has been reduced to almost zero in rich countries

Plus, developing economies like India and Brazil now have much lower child mortality rates today than advanced economies had at similar income levels about one century ago

3. Fertility rates are falling

View image of Children born per woman in 1800

View image of Children born per woman in 1950

View image of Children born per woman in 2015

Even though many are concerned about the global population explosion, the fact is that fertility rates have fallen significantly across the globe.  UN population estimates largely expect the global population to stabilise at about 11 billion by the end of this century

Moreover, as can be seen from these charts, many developing countries such as Brazil, China and a number of African nations have already switched to a low-fertility regime . While this transition took many advanced economies almost 100 years, starting with the Industrial Revolution, many others have since achieved this over just two to three decades

4. GDP growth has accelerated in developed countries

View image of GDP per capita

Technological leaders, the US and Western Europe, have been growing at about 2% per year , on average, for the past 150 years. This means that real income levels roughly double every 36 years

While there were many long-lasting ups and downs, like the Great Depression or the recent Great Recession, the constancy of the long-run growth rate is actually quite miraculous. Low-income countries, including China and India, have been growing at a significantly faster pace in recent decades and are quickly catching up to the West. A 10% growth rate over a prolonged period means that income levels double roughly every seven years. It is obviously good news if prosperity is more shared across the globe

5. Global income inequality has gone down

View image of Global income distribution in 1800

View image of Global income distribution in 1975

View image of Global income distribution in 2015

While  inequality within countries  has gone up as a result of globalisation, global inequality has been on a steady downward trend for several decades. This is mostly a result of developing countries such as China and India where hundreds of millions of people have seen their living standards improve. In fact, for the first time ever since the Industrial Revolution, about half of the global population can be considered global middle class

Throughout most of human history people lived under oppressive non-democratic regimes. As of today, about half of the human population is living in a democracy. Out of those still living in autocracies, 90% are in China. While the country has recently moved in the other direction, there is reason to believe that continued economic development might eventually lead to democratisation (according to  modernisation theory ). 

7. Conflicts are on the decline

View image of Percentage of years in which the 'Great Powers' fought one another, 1500-2015

Throughout history, the world has been riven by conflict. In fact, at least two of the world’s largest powers have been at war with each other more than 50% of the time  since about 1500

While the early 20th Century was especially brutal with two world wars in rapid succession, the post-war period has been very peaceful. For the first time ever, there has been no war or conflict in Western Europe in about three generations. And international organisations including the EU and the UN have led to a more stable world

This article   originally appeared   on The Conversation, and is republished under a Creative Commons licence. 

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