Economics
Wealth and Income Inequality
Quick fact
In the United States, the top 1% of households own about 30% of the country's total wealth, while the bottom 50% own less than 2%.
Why this is interesting
Imagine if most of a pizza went to just a few people—that's how inequality works in many economies today. Why does this happen, and what does it mean for everyone else?
Read the full explanation
Understanding Wealth and Income Inequality
Wealth inequality refers to the unequal distribution of assets—like property, stocks, and savings—while income inequality focuses on earnings from work or investments. Think of income as a stream and wealth as the reservoir. Even if two people earn similar amounts, differences in inherited wealth, homeownership, or stock portfolios can widen the gap. Economists use the Gini coefficient to measure this disparity: 0 means everyone has the same, 1 means one person has everything. A Lorenz curve visually shows how much total income or wealth each cumulative population share holds. Over time, factors like compounding returns on assets, regressive tax policies, and unequal access to education can amplify inequality, creating cycles that are hard to break.
A deeper explanation
At its core, wealth inequality grows because capital (invested assets) tends to grow faster than wages—a phenomenon known as the 'return on capital economic growth' (r g). Meanwhile, income inequality can stem from technological change favoring high-skilled workers, globalization, and declining union power. Policies like progressive taxation, social safety nets, and universal education aim to flatten the curve, but debates arise over trade-offs with economic efficiency. Understanding inequality helps explain persistent poverty, reduced social mobility, and political instability—making it a central concept for crafting equitable economic systems.