4.3 Development and Poverty

The most important question in social science

Here is a question that has occupied thinkers for generations: why are some countries rich and others poor? Despite remarkable global progress -- extreme poverty has fallen sharply in recent decades -- around 700 million people still live below the extreme-poverty line of about 2.15 US dollars a day. Understanding why, and what can be done about it, is one of the most important questions in all of social science, and it shapes migration, conflict, health and the environment alike. Norway, for its part, is one of the world's largest per-capita donors of development aid, so these debates touch Norwegian policy directly.

But before we can ask why some places are poor, we have to ask what we even mean by being "developed." The answer is less obvious than it sounds, and how we define and measure development turns out to shape everything that follows.

What development really means

Development is a multidimensional idea that goes far beyond economic growth. The narrowest view, economic development, focuses on rising GDP per capita, industrialisation and integration into the global economy. But a broader vision -- human development, advanced by the UN Development Programme and inspired by economists Amartya Sen and Mahbub ul Haq -- defines development as expanding people's choices and capabilities: the ability to live a long, healthy life, to access education and knowledge, to enjoy a decent standard of living, and to have political freedom. Sen's capability approach makes the point sharply: a person might have a high income but lack healthcare, education or political voice, and therefore not truly be "developed." A third strand, sustainable development, comes from the 1987 Brundtland Commission, chaired by Norwegian Prime Minister Gro Harlem Brundtland, and means development that meets present needs without compromising future generations.

Because development is multidimensional, no single number captures it. GDP per capita measures average output but ignores inequality, environment and well-being. The HDI adds health and education. The Gini coefficient tracks inequality. The Multidimensional Poverty Index measures deprivation across health, education and living standards, and the Gender Inequality Index tracks gender disparities. Each has limitations, which is why experts use several together. The old binary of "developed" versus "developing" has given way to a spectrum, with the World Bank classifying countries as low-income, lower-middle, upper-middle and high-income by gross national income per capita. The contrasting paths of South Korea, which transformed from poverty to prosperity within a generation through education and industrialisation, and Nigeria, rich in oil yet held back by other factors, show that the journey of development is anything but uniform.

The tangled roots of poverty

Why do some countries remain poor? No single factor explains it -- the causes are multiple and interconnected, and a fair account names them all. Among the historical causes, colonialism looms large: European powers controlled most of Africa, Asia and the Americas for centuries, extracting wealth, destroying indigenous structures, imposing arbitrary borders that divided ethnic groups, and building institutions designed to benefit colonisers rather than local populations. The transatlantic slave trade forcibly removed an estimated 12.5 million Africans, devastating communities and economies. Among the structural causes are the debt trap, where countries that borrowed heavily in the 1970s and 1980s found debt servicing consuming funds meant for schools and hospitals; unfair trade rules, where agricultural subsidies in wealthy countries depress global prices; and corruption and weak governance, which Transparency International's index links closely to poverty.

Among the internal causes are conflict and instability, which destroy infrastructure and divert resources; climate vulnerability, as the poorest countries often suffer most from droughts and floods despite contributing least to emissions; and brain drain, the loss of educated people to wealthier countries. Two concepts tie these together. The poverty trap describes a vicious cycle in which poverty itself prevents escape: poor health leads to low productivity, which leads to low income, which leads to poor nutrition and education, which perpetuates poverty. And the resource curse captures the paradox that natural wealth -- oil, minerals -- does not automatically lead to development and can even fuel corruption and conflict. It is also worth distinguishing absolute poverty, living below a fixed minimum for survival, from relative poverty, having far less than one's society's average. The honest conclusion is that poverty has no single villain; it is woven from history, structure and circumstance together.

In short

Development is far more than economic growth: human development, captured in Amartya Sen's capability approach, defines it as expanding people's freedoms and capabilities, while sustainable development, from the Brundtland Commission, adds responsibility to future generations. Because development is multidimensional, experts use several measures together and now think in terms of a spectrum rather than a developed/developing binary. The causes of global poverty are tangled and interconnected -- colonial history, the slave trade, debt, unfair trade rules, corruption, conflict, climate vulnerability and brain drain -- with the poverty trap and the resource curse capturing key dynamics. Poverty has no single cause, which is exactly why understanding it requires looking at history, structure and circumstance together.