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Global inequality — the uneven distribution of wealth, income, and opportunity between and within countries — is one of the defining features of the contemporary world. Understanding the patterns, causes, and theoretical explanations for global inequality is essential for evaluating the effectiveness of global governance in addressing the development gap.
There are multiple ways to measure inequality at the global scale:
| Measure | What It Captures | Limitations |
|---|---|---|
| GDP per capita | Average economic output per person | Does not capture distribution within a country; ignores informal economy |
| GNI per capita (PPP) | Average income adjusted for purchasing power | Still an average — does not show inequality within countries |
| Human Development Index (HDI) | Health (life expectancy), education (mean/expected years of schooling), income | Does not capture political freedom, environmental sustainability, or security |
| Inequality-adjusted HDI (IHDI) | HDI adjusted for inequality within each dimension | Complex to calculate; may not capture all dimensions of inequality |
| Gini coefficient | Measures income/wealth distribution (0 = perfect equality, 1 = perfect inequality) | Focuses on income/wealth; ignores other dimensions of inequality |
| Multidimensional Poverty Index (MPI) | Deprivation in health, education, and living standards | Does not capture all dimensions of poverty (e.g., political exclusion) |
The scale of global inequality is staggering:
In 1980, the Independent Commission on International Development Issues, chaired by former West German Chancellor Willy Brandt, published its report North-South: A Programme for Survival. The report drew a line on a world map — the Brandt Line — roughly dividing the wealthy, industrialised "North" from the poorer, less industrialised "South."
The line runs approximately along latitude 30°N but dips south to include Australia and New Zealand in the "North."
| North | South |
|---|---|
| Western Europe, North America, Japan, Australia, New Zealand | Africa, South and Central America, most of Asia (except Japan) |
| Industrialised, high-income economies | Primarily agricultural, low/middle-income economies |
| High levels of education and healthcare | Lower levels of human development |
| Political influence in global institutions | Marginalised in global governance |
The Brandt Line was a powerful tool for highlighting global inequality in 1980, but its relevance today is increasingly questioned:
| Strengths | Weaknesses |
|---|---|
| Effectively communicated the reality of global inequality to a wide audience | Binary division oversimplifies a complex world |
| Highlighted the structural nature of the North-South divide | Does not account for the rise of BRICS nations (especially China and India) |
| Placed development inequality on the political agenda | Ignores inequalities within the North (e.g., Appalachia in the USA, Northern England) |
| Stimulated debate about global governance reform | Ignores inequalities within the South (e.g., wealth in Gulf States, urban elites) |
| Identified the need for structural change in the global economy | Static — does not capture the dynamic changes in the global economy since 1980 |
Exam Tip: If asked about the Brandt Line, always evaluate its continued relevance. The best answers will acknowledge its historical importance while arguing that it is an increasingly inadequate representation of a more complex global geography of inequality. Use the BRICS as evidence that the North-South binary is breaking down.
The BRICS — Brazil, Russia, India, China, and South Africa — represent a challenge to the traditional North-South divide. These emerging economies have experienced rapid growth and increasing global influence:
| Country | GDP (2023, approximate) | Population | Key Features |
|---|---|---|---|
| Brazil | $2.1 trillion | 215 million | Agricultural superpower; severe inequality (Gini: 0.53) |
| Russia | $1.9 trillion | 144 million | Energy superpower; declining population; authoritarian governance |
| India | $3.7 trillion | 1.4 billion | World's fastest-growing major economy; tech sector; persistent poverty |
| China | $17.7 trillion | 1.4 billion | World's second-largest economy; lifted 800 million from poverty since 1978 |
| South Africa | $0.4 trillion | 60 million | Most industrialised African economy; extreme inequality (Gini: 0.63) |
The BRICS nations have established their own institutions — the New Development Bank (2014) and the Contingent Reserve Arrangement — as alternatives to the Western-dominated World Bank and IMF. In 2023, the group expanded to include Egypt, Ethiopia, Iran, Saudi Arabia, and the UAE, signalling a broader challenge to Western-dominated global governance.
Walt Whitman Rostow (1960), in his book The Stages of Economic Growth: A Non-Communist Manifesto, proposed that all countries pass through five stages of development:
| Stage | Description | Characteristics |
|---|---|---|
| 1. Traditional society | Subsistence agriculture; limited technology | Pre-industrial; hierarchical social structure |
| 2. Preconditions for take-off | External demand for raw materials; investment in infrastructure | Education, transport, and institutions develop |
| 3. Take-off | Rapid industrialisation; growth becomes self-sustaining | Manufacturing sector grows; urbanisation accelerates |
| 4. Drive to maturity | Diversification of industry; wider application of technology | Economy becomes more complex and varied |
| 5. Age of high mass consumption | Consumer goods and services dominate the economy | Welfare state; high standards of living |
graph LR
A[1. Traditional Society] --> B[2. Preconditions for Take-off]
B --> C[3. Take-off]
C --> D[4. Drive to Maturity]
D --> E[5. High Mass Consumption]
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