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The Unequal Inheritance

How income, wealth, place, institutions, and power shape who can turn progress into a life.

Distribution · inheritance · power

A society can become richer, healthier, and more capable while leaving enormous distances between the lives people are able to build.

Inequality is not only a gap in income. It is a system that distributes security, time, risk, voice, and the power to shape what happens next.

The first distinction

Less poverty does not mean less inequality

Poverty asksDoes a person have enough?

It is about an absolute floor: the resources and capabilities required for a life of basic security and agency.

Inequality asksHow far apart are people—and what does that distance do?

It is about distribution and relationship: who bears risk, who has options, and whose preferences become rules.

Both can improve at once, and they can also move in opposite directions. A rising floor is a profound achievement. But the height of the ceiling still matters when resources can be converted into durable control over land, work, technology, attention, and law.

The distribution inside the average

Wealth is more concentrated than income

In 2025, the richest tenth of adults received just over half of global income and owned three quarters of global household wealth. The poorest half owned 2%.

Share of global income or wealth by adult population group, 2025Each horizontal strip totals 100%. Segment widths show the share held by the bottom 50%, middle 40%, and top 10% of adults.
Bottom 50%Middle 40%Top 10%
Pre-tax income100% total
8%39%53%
  • Bottom 50%8%
  • Middle 40%39%
  • Top 10%53%
Household wealth100% total
2%23%75%
  • Bottom 50%2%
  • Middle 40%23%
  • Top 10%75%

These are global shares among adults, not shares within every country. Shares are rounded. The middle-40 income share is shown as the residual needed to total 100% after the report's rounded bottom-50 and top-10 figures.

Source: World Inequality Report 2026, Figure 1.3 · CC BY-NC-SA 4.0

One hopeful movement—and its boundary

The gap between national averages narrowed after 1990

The income gap between countries narrowed substantially after the late twentieth century as several large lower-income economies grew faster than rich ones.

Between-country income inequality0.644 → 0.448Gini coefficient · 1952–2020
Between-country income inequality over timeThe between-country Gini coefficient falls from 0.644 in 1952 to 0.448 in 2020.0.450.500.550.600.6519521970199020102020Convergence acceleratesafter about 1990

This series compares average incomes between countries. It does not measure the distribution inside them, and it does not include wealth or political power.

Source: Our World in Data global and between-country income inequality series

Between-country context

Place as inheritance: differences between national contexts

National averages are not individual destinies, but they reveal the institutions, infrastructure, public health, and economic capacity surrounding everyday choices.

Choose a measure and then a country. The spread compares national averages near the same year; it cannot show inequality among people living inside each country.

Economic capacity is distributed far more unevenly than a global average suggests. Place still changes the resources surrounding a life by orders of magnitude.

Global metric mapCountry choropleth map for a selected global metric.
Lower
Higher

Selected country

Choose a country

Choose a country to place its national average on the spread below.

Between-country spread

Comparing available countries
Lower national averageMedianHigher national average

Each mark is one country. This comparison reveals differences between national averages; it cannot show inequality among people living inside the same country.

Showing: GDP per person.Average economic output per person, adjusted for inflation and living costs. Comparison window: 2023-2025; countries without data in that window are shown as no data.Source: Eurostat, OECD, IMF, and World Bank, via Our World in Data. Geometry: world-atlas countries-110m.Retrieved 2026-05-27.

What is being distributed?

Four inequalities that refuse to collapse into one number

  1. 01Income

    The flow of wages, benefits, profits, and transfers that determines what a household can consume now.

  2. 02Wealth

    The stock of homes, land, savings, businesses, and debt that determines who can absorb a shock, wait, move, or take a risk.

  3. 03Opportunity

    The unequal conversion of talent and effort into outcomes through health, safety, schooling, networks, discrimination, and inherited position.

  4. 04Power

    The ability to set rules, shape markets, command attention, refuse bad terms, and make one’s interests count in collective decisions.

A distribution is not fully described by its average. A society must also ask about its floor, its distance, its mobility, and the power attached to the top.

The compounding loop

How a difference becomes a structure

Inequality persists when an outcome becomes an input to the next round.

  1. 01
    Starting position

    Income, wealth, health, identity, legal status, and family time are unequal before a new choice is made.

  2. 02
    Institutions

    Schools, neighborhoods, labor markets, credit systems, and courts translate that starting position into different exposure and access.

  3. 03
    Compounding

    Small advantages become credentials, networks, bargaining power, buffers, and ownership; small harms become delay, debt, risk, and exclusion.

  4. 04
    Inheritance

    The resulting resources and rules shape the starting position of the next generation.

Optional evidence · 87 economiesHow strongly does parental income persist?Higher elasticity means lower mobility. Open the regional distributions and country values.

A value near zero means fathers’ income predicts relatively little of sons’ later income; higher values indicate that economic position is more strongly reproduced across generations.

Coverage boundary: this income edition estimates father–son pairs for people born in the 1980s and 1990s. It is not a measure of every parent–child relationship or every dimension of mobility.

Father–son income persistence across 87 economies, 1980s–1990s birth cohortsEach dot is one economy. The vertical mark is the median for that region; the country index prints every value.
0.1 · weaker persistence1.0 · stronger persistence
East Asia & PacificMedian 0.40
  • Korea, Rep.0.221
  • Singapore0.260
  • Australia0.270
  • New Zealand0.296
  • Japan0.300
  • Taiwan0.386
  • Viet Nam0.411
  • Philippines0.432
  • Mongolia0.476
  • Indonesia0.505
  • China0.517
  • Malaysia0.537
Europe & Central AsiaMedian 0.36
  • Sweden0.137
  • Finland0.145
  • Norway0.160
  • Serbia0.183
  • Denmark0.226
  • Tajikistan0.227
  • Moldova0.232
  • Slovenia0.249
  • Switzerland0.277
  • Turkiye0.279
  • Iceland0.283
  • Netherlands0.304
  • Kazakhstan0.323
  • Russian Federation0.332
  • Austria0.333
  • Greece0.333
  • Uzbekistan0.344
  • Estonia0.347
  • Croatia0.349
  • Poland0.356
  • Belgium0.358
  • Germany0.390
  • Lithuania0.402
  • Portugal0.402
  • France0.420
  • Ireland0.441
  • Italy0.455
  • Slovak Republic0.455
  • Luxembourg0.466
  • United Kingdom0.471
  • Hungary0.475
  • Latvia0.479
  • Czechia0.491
  • Spain0.496
  • Bosnia and Herzegovina0.535
  • Montenegro0.538
  • Romania0.563
  • Cyprus0.580
  • Bulgaria0.638
  • Kosovo0.762
Latin America & CaribbeanMedian 0.61
  • Uruguay0.429
  • Bolivia0.479
  • Brazil0.542
  • Chile0.580
  • Panama0.597
  • Ecuador0.612
  • Argentina0.642
  • Peru0.699
  • Colombia0.738
  • Mexico0.768
  • Guatemala0.934
Middle East, North Africa & nearby economiesMedian 0.58
  • Jordan0.329
  • Pakistan0.438
  • Morocco0.512
  • Malta0.639
  • Tunisia0.888
  • Egypt, Arab Rep.0.915
North AmericaMedian 0.41
  • Canada0.198
  • United States0.614
South AsiaMedian 0.44
  • Sri Lanka0.265
  • Nepal0.436
  • India0.808
Sub-Saharan AfricaMedian 0.59
  • Liberia0.338
  • Kenya0.399
  • Malawi0.465
  • Uganda0.502
  • Togo0.519
  • Ghana0.549
  • Tanzania0.591
  • Ethiopia0.634
  • Niger0.704
  • South Africa0.705
  • Nigeria0.742
  • Congo, Dem. Rep.0.762
  • Madagascar0.962

Source: World Bank Global Database on Intergenerational Income Mobility · CC BY 4.0 · Retrieved 2026-07-21

A moral question with empirical parts

Not every difference is the same kind of inequality

A useful evaluation does not begin by demanding identical outcomes. It asks what the difference does, where it came from, and whether those with less can contest it.

The floor
Can everyone secure food, shelter, health, education, safety, and the practical freedom to participate?
Fair opportunity
How strongly do circumstances assigned at birth predict where a person ends up?
Power
Can concentrated resources buy control over work, housing, information, law, or politics?
Process
Were the gains produced through consent, reciprocity, and open rules—or through exclusion, coercion, capture, or inherited privilege?
Repair
Do institutions notice accumulated harm and give people a credible way to challenge, exit, and recover?

Where change enters

The distribution is made more than once

There is no single inequality dial. Different institutions intervene at different points in the loop, and durable change usually combines them.

Before the market result

Shape the first distribution

Education, health, care, labor standards, competition, access to capital, and the ownership of productive assets shape bargaining power before taxes are counted.

Shared foundations

Make capability less dependent on wealth

Universal services and reliable public infrastructure reduce the number of life chances that must be purchased privately.

After the market result

Redistribute resources and risk

Taxes, transfers, social insurance, and debt relief can lift the floor, smooth shocks, and limit the conversion of temporary misfortune into permanent exclusion.

Rules and voice

Distribute power as well as income

Voting rights, unions, antitrust, transparent institutions, legal aid, and accountable media determine who can contest the rules themselves.

Optional evidence · 37 OECD membersTaxes and transfers change the measured distributionCompare market-income inequality with disposable-income inequality in each country’s latest matched year.

In every matched observation shown here, disposable-income inequality is lower than market-income inequality. The size of the difference varies widely across countries.

Interpretation boundary: the distance is an accounting comparison before and after taxes and transfers—not a causal estimate of what a single policy change would do.

Market-income and disposable-income Gini in OECD members, latest matched year since 2018Countries are ranked by the difference between matched Gini coefficients. Every row gives its observation year and both values.
Market incomeAfter taxes and transfers
0.20.30.40.50.6
  1. Finland2024
    0.2790.523−0.244
  2. Belgium2023
    0.2540.486−0.232
  3. France2023
    0.2990.517−0.218
  4. Austria2023
    0.2880.492−0.204
  5. Slovak Republic2023
    0.2130.413−0.200
  6. Ireland2023
    0.2810.477−0.196
  7. Germany2023
    0.3070.497−0.190
  8. Czechia2023
    0.2420.429−0.187
  9. Greece2023
    0.3200.506−0.186
  10. Poland2023
    0.2570.442−0.185
  11. Italy2023
    0.3250.509−0.184
  12. Portugal2023
    0.3200.504−0.184
  13. Slovenia2023
    0.2470.429−0.182
  14. Japan2021
    0.3380.513−0.175
  15. Norway2023
    0.2590.432−0.173
  16. Denmark2022
    0.2760.442−0.166
  17. Luxembourg2023
    0.2960.461−0.165
  18. Spain2023
    0.3120.477−0.165
  19. Estonia2023
    0.3110.468−0.157
  20. United Kingdom2023
    0.3670.522−0.155
  21. Lithuania2023
    0.3550.505−0.150
  22. Netherlands2024
    0.3110.458−0.147
  23. Hungary2023
    0.2820.425−0.143
  24. Sweden2024
    0.2890.431−0.142
  25. Iceland2019
    0.2470.384−0.137
  26. Latvia2023
    0.3400.473−0.133
  27. New Zealand2022
    0.3260.457−0.131
  28. Canada2023
    0.3060.433−0.127
  29. Australia2020
    0.3190.441−0.122
  30. United States2023
    0.3940.506−0.112
  31. Israel2023
    0.3420.449−0.107
  32. Türkiye2022
    0.4270.525−0.098
  33. Switzerland2023
    0.3150.398−0.083
  34. Korea2023
    0.3230.392−0.069
  35. Costa Rica2025
    0.4580.522−0.064
  36. Chile2022
    0.4480.491−0.043
  37. Mexico2022
    0.4000.416−0.016

Source: OECD Income Distribution Database · Measures INC_DISP_GINI and INC_MRKT_GINI · Retrieved 2026-07-21

How to read inequality measures without being misled

A Gini coefficient is a compression. Different distributions can produce the same value, and the result depends on the income concept, unit of analysis, survey coverage, and treatment of taxes and transfers.

Income is not wealth. A household can have a moderate income and no buffer, or a modest reported income and substantial assets.

National convergence can coexist with domestic divergence. Between-country, within-country, and global interpersonal inequality answer different questions.

Group averages hide intersections. Class, race, caste, gender, disability, citizenship, and geography can combine in ways no single category captures.

Measurement does not settle justice. Data can show a distribution and test mechanisms; deciding which differences are legitimate also requires moral and political judgment.

The whole argument

The goal is not sameness. It is a world in which fewer lives are narrowed by conditions they did not choose, no fortune becomes unanswerable power, and everyone has enough security and voice to participate in shaping the future.

The companion essay, Human Progress, shows what humanity has already changed. This essay asks how those gains are shared—and who gets to decide what progress becomes next.

Companion piece

Same question, different view

Human ProgressWhat improved, what powered the gains, and what the gains cost.How Compounding WorksHow repetition, memory, and feedback turn small changes into structure—and why the curve always meets a boundary.

Thirty Seven. Essays for minds, matter, meaning, and the ordinary days between.