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Animation: 200 Years of U.S. Immigration As Tree Rings

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If you walk down the streets in the United States, the odds are that one in every four people you’ll see is an immigrant, or was born to immigrant parents.

While those odds might seem high, the truth is nearly everyone in the U.S. hails from someplace else if you look far back enough.

Visualizing U.S. Immigration

Today’s intriguing visualization was created by professors Pedro M. Cruz and John Wihbey from Northeastern University, and it depicts U.S. immigration from 1830 until 2015, as rings in a growing tree trunk.

The researchers turned registered U.S. Census data into an estimate for the total number of immigrants arriving each decade, and then the yearly figures in the visualization. One caveat is that it does not account for the populations of slaves, or indigenous communities.

From the Old to the New World

The pattern of U.S. immigration can be explained in four major waves overall:

U.S. Immigration Waves

The origins of U.S. immigrant populations transform from era to era. Which events influenced each wave?

Frontier Expansion: 1830-1880

  • Cheap farmland and the promise of economic growth in the first Industrial Revolution spurred large-scale immigration from Britain, Germany, and other parts of Central Europe.
  • The Irish Potato Famine from 1845 to 1849 drove many immigrants from Ireland over to the U.S.
  • The 1848 Treaty of Guadalupe ended the Mexican-American war, and extended U.S. citizenship to over 70,000 Mexican residents.

Industrialization: 1880-1915

  • Immigrant mobility increased with the introduction of large steam-powered ships. The expansion of railroads in Europe also made it easier for people to reach oceanic ports.
  • On the other hand, the Chinese Exclusion act in 1882 prohibited Chinese laborers from entry.
  • In 1892, the famous Ellis Island opened; the first federal immigration station provided a gateway for over 12 million people.

The Great Pause: 1915-1965

  • The Immigration Act of 1924 enacted quotas on immigrant numbers, restricting groups from countries in Southern and Eastern Europe, and virtually all immigrants of Asian origin.
  • The Great Depression, and subsequent World Wars also complicated immigration matters as many came to seek refuge in the United States.

Post-1965 Immigration: 1965-Present

  • The Hart-Cellber (Immigration and Naturalization Act) of 1965 overturned all previous quotas based on national origin. Family unification and an increase in skilled labor were two major aims of this act.
  • This decision significantly impacted the U.S. demographic makeup in the following decades, as more immigrants of Latin, Asian, and African descent entered the country.

E Pluribus Unum (From Many, One)

While others have mapped two centuries of immigration before, few have captured its sheer scale and impact quite as strikingly. The researchers explain their reasoning behind this metaphor of tree rings:

This idea lends itself to the representation of history itself, as it shows a sequence of events that have left a mark and shaped the present. If cells leave a mark in the tree, so can incoming immigrants be seen as natural contributors to the growth of a trunk that is the United States.

It’s no wonder that this animation showing U.S. immigration won Gold for the “People, Language, and Identity” and “Most Beautiful” categories at the 2018 Kantar Information is Beautiful Awards.

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Data Visualization

Visualizing the Happiest Country on Every Continent

Where are the happiest, least happy, and fastest improving countries worldwide? We’ve broken down this annual ranking by region to answer that question.

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Visualizing the Happiest Country on Every Continent

The state of our world is shifting beneath our feet — economics alone no longer equate to satisfaction, let alone happiness.

Today’s visualization pulls data from the seventh World Happiness Report 2019, which ranks 156 countries by their happiness levels. We’ve previously shown the variables used to measure happiness in this report, but here, we break down rankings by continent and region for a clearer picture of where each country lies.

happiness north america map

North America

Unhappy Americans have caused the country to tumble in rankings for a third straight year, despite evidence that things are generally looking up. The report attributes much of this erosion to a variety of addictions: opioids, workaholism, gambling, internet, exercise, and even shopping are among them.

Haiti is the least happy country in this region. The country is still struggling to rebuild sanitation infrastructure and other educational and healthcare programs, despite foreign aid.

In brighter news, Nicaragua is seeing great gains in happiness levels, as the country makes a concentrated effort to reduce poverty.

happiness south america map

South America

In South America, the majority of countries cluster around a score of six on the happiness scale.

The one notable exception to this is Venezuela, which is faltering in both happiness rank and regional improvement. The nation’s hyperinflation and humanitarian crisis both show no signs of slowing down.

happiness europe map

Europe

Finland comes out on top of the world for a second consecutive year, and it’s not difficult to see why. The country boasts a stable work-life balance, bolstered by a comprehensive welfare state.

Scandinavian countries appear among the happiest nations for similar very reasons — elevating the region’s score to 16% above the global average.

On the flip side, Ukraine is the unhappiest, likely intensified by the ongoing war in southeastern Donbass. Greece is the least improved, as it continues to heal from the sovereign debt crisis.

happiness middle east map

Middle East and Central Asia

Uzbekistan shows the swiftest regional improvement, as the country has launched an ambitious reform agenda for greater economic, social, and political development and openness.

Unfortunately, Syria’s continued civil war comes with a heavy price for its people and economy, as does the Palestinian-Israeli conflict — although the latter doesn’t seem to impact Israel’s happiness ranking. In fact, Israel finished with the 13th best score, globally.

happiness asia 2019

Rest of Asia and Oceania

In East Asia, the average happiness score is quite close to the global average, with Taiwan standing out as the happiest country.

Singapore out-competes other countries within Southeast Asia, despite only being home to a population of 5.6 million. Its neighbor Malaysia, however, plunged from 35th to 80th place.

Oceania stands alone – Australia and New Zealand are closely matched in their individual happiness scores.

happiness africa map

Africa

The African continent as a whole fares 19.2% below the global average. But there are silver linings, with strong strides towards improvement being made.

Mauritius benefits from good governance and a buoyant tourism sector — with visitor arrivals equal to the island’s 1.3 million population. Meanwhile, Benin has soared in the rankings, and is supported by the World Bank in key structural reforms such as poverty reduction and access to basic services.

What could these rankings look like in another ten years?

Notes: The Africa map was updated to show more country scores. The report only covers 156 countries, so “Oceania” only refers to Australia and New Zealand in this instance.

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Data Visualization

Global Happiness: Which Countries are the Most (and Least) Happy?

What contributes to happiness? These charts break down global happiness scores – how does your country fare, and how has it changed over ten years?

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How much happier would you be if were given a 10% raise?

While money can be a crucial indicator of happiness at lower income levels, studies have found that as incomes rise, money becomes a less important part of the overall happiness equation.

In fact, researchers see happiness as a complex measure that involves many variables outside of material wealth, including social support, freedom, and health.

Measuring Global Happiness

Today’s chart uses data from the World Happiness Report 2018 to measure and understand which countries report feeling the most and least happy.

Global Happiness Countries Most and Least Happy

WHAT CONTRIBUTES TO HAPPINESS?

The six key variables used by researchers in this report on global happiness include:

  1. GDP per capita
  2. Healthy life expectancy
  3. Social support
  4. Freedom of choice
  5. Generosity
  6. Perceptions of corruption

While average income and life expectancy definitely carry their weight in explaining happiness levels, what’s more interesting are the Gallup World Poll (GWP) questions about the other, more subjective variables.

  • Social support
    “If you were in trouble, do you have relatives or friends you can count on to help you whenever you need them?”
  • Freedom to make life choices
    “Are you satisfied or dissatisfied with your freedom to choose what you do with your life?”
  • Generosity
    “Have you donated money to a charity in the past month?”
  • Perceptions of corruption
    “Is corruption widespread throughout the government or not?”
    “Is corruption widespread within businesses or not?”

HOW HAPPY IS THE WORLD?

The top tier of happiest countries happen to be Nordic, with Finland, Norway, Denmark, and Iceland making it into the top five. Aside from having a common geographic location, these countries are also well-known for their social safety nets, using a high tax burden to fund government services such as education and healthcare.

A surprising entry near the top of the list might be Costa Rica. It’s the happiest country in the Latin American region, despite persisting income inequality issues. Although it has a lower GDP per capita than other high-ranking entries, the country has more than made up for it through social support; Costa Rica has invested significantly in education and health as a proportion of GDP, and the nation is also known for housing a culture that forms solid social networks of friends, families and neighborhoods.

On the other hand, 18 of the least happy countries are concentrated on the African continent. GDP per capita varies intensely among the bottom countries, and many report a lack of freedom overall. A silver lining is that social support is relatively stable, and there have been steady improvements over time.

Finally, the aftermath of the 2008 financial crisis has had a ripple effect on global happiness. The report demonstrates where the most and fewest advances have been made.

  • Togo
    Happiness is on the upswing, as the West African nation climbs 17 places to demonstrate the most improvement.
  • Venezuela
    Meanwhile, the South American country plummeted even further, in part from socio-political changes and dramatic hyperinflation.

Where does your country fare on this scale?
Changes in Global Happiness Over Time

Eudaimonia [happiness] is the meaning and the purpose of life, the whole aim and end of human existence.

― Aristotle

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