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Visualizing Global Income Distribution Over 200 Years

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Global Income Distribution infographic

Visualizing Global Income Distribution Over 200 Years

Has the world become more unequal?

With COVID-19 disrupting societies and lower-income countries in particular, social and economic progress made over the last decade is in danger of being reversed. And with rising living costs and inflation across much of the world, experts warn that global income inequality has been exacerbated.

But the good news is that absolute incomes across many poorer countries have significantly risen over the last century of time. And though work remains, poverty levels have fallen dramatically in spite of stark inequality.

To analyze historical trends in global income distribution, this infographic from Our World in Data looks at three periods over the last two centuries. It uses economic data from 1800, 1975, and 2015 compiled by Hans and Ola Rosling.

Methodology

For global income estimates, data was gathered by country across three key variables:

  • Population
  • GDP per capita
  • Gini coefficient, which measures income inequality by statistical distribution

Daily incomes were measured in a hypothetical “international-$” currency, equal to what a U.S. dollar would buy in America in 2011, to allow for comparable incomes across time periods and countries.

Historical Patterns in Global Income Distribution

In 1800, over 80% of the world lived in what we consider extreme poverty today.

At the time, only a small number of countries—predominantly Western European countries, Australia, Canada and the U.S.—saw meaningful economic growth. In fact, research suggests that between 1 CE and 1800 CE the majority of places around the world saw miniscule economic growth (only 0.04% annually).

By 1975, global income distribution became bimodal. Most citizens in developing countries lived below the poverty line, while most in developed countries lived above it, with incomes nearly 10 times higher on average. Post-WWII growth was unusually rapid across developed countries.

Fast forward just 40 years to 2015 and world income distribution changed again. As incomes rose faster in poorer countries than developed ones, many people were lifted out of poverty. Between 1975 and 2015, poverty declined faster than at any other time. Still, steep inequality persisted.

A Tale of Different Economic Outputs

Even as global income distribution has started to even out, economic output has trended in the opposite direction.

As the above interactive chart shows, GDP per capita was much more equal across regions in the 19th century, when it sat around $1,100 per capita on a global basis. Despite many people living below the poverty line during these times, the world also had less wealth to go around.

Today, the global average GDP per capita sits at close to $15,212 or about 14 times higher, but it is not as equally distributed.

At the highest end of the spectrum are Western and European countries. Strong economic growth, greater industrial output, and sufficient legal institutions have helped underpin higher GDP per capita numbers. Meanwhile, countries with the lowest average incomes have not seen the same levels of growth.

This highlights that poverty, and economic prosperity, is heavily influenced by where one lives.

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This article was published as a part of Visual Capitalist's Creator Program, which features data-driven visuals from some of our favorite Creators around the world.

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The Fastest Rising U.S. Housing Markets in 2024

As U.S. home prices hit record highs, which housing market is seen the fastest growth? This graphic shows the top 10 across the country.

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This bar chart shows the U.S. housing markets with the fastest rising home prices in 2024.

The Fastest Rising U.S. Housing Markets in 2024

This was originally posted on our Voronoi app. Download the app for free on iOS or Android and discover incredible data-driven charts from a variety of trusted sources.

The U.S. housing market has been on a tear, with median sales prices rising more than 40% since February 2020.

While cities in southern states like Florida have witnessed some of the strongest price growth, more affordable cities across the Midwest are also seeing growing demand as buyers seek out cheaper options.

This graphic shows the U.S. metros with the fastest price growth, based on data from Redfin.

Hottest Housing Markets in America

Below, we rank the metropolitan areas with the fastest annual median sales price growth as of February 2024:

RankMetroMedian Sales Price Growth
Feb 2024 YoY
1Pittsburgh, PA+22.0%
2Fort Lauderdale, FL+18.0%
3Greensboro, NC+17.8%
4Meridian, ID+17.3%
5Toledo, OH+17.0%
6Boca Raton, FL+16.4%
7West Palm Beach, FL+16.1%
8Orlando, FL+15.9%
9Milwaukee, WI+15.6%
10Alexandria, VA+15.4%
U.S. average+6.5%

Pittsburgh, PA soars to the top of the list, with median sale prices jumping 22% over the year.

Once known as a center for steel and iron manufacturing, the city has emerged as a hub for high-tech industries including robotics, software engineering, and healthcare. At a time when housing affordability is near record lows, buyers have flocked to the market thanks to its lower home prices. In February, median sales prices in Pittsburgh were $250,000 compared to the U.S. median price of $412,219.

Following next in line is Fort Lauderdale, FL with prices jumping 18% annually. Like several cities across the state, property values have boomed thanks to the state’s warm climate and low taxes. The state also ranks as one of the best in the country to retire. In 2023, it was one of the fastest growing states in the country, adding 365,205 residents overall.

As we can see, just one housing market in the West, Meridian, ID, is experiencing some of the strongest price growth in the country. Since the pandemic, many Californians priced out of expensive real estate markets have moved to the state due to its strong job market, low crime rate, and affordability. In fact, Los Angeles and San Francisco are some of the top metropolitan areas nationally that people are moving away from due to remote-work trends and the high cost of living.

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