What is the Great Acceleration?

The Great Acceleration refers to the dramatic, simultaneous increase in human activity and its impact on Earth systems since approximately 1950. Coined by researchers at the International Geosphere-Biosphere Programme (IGBP), it describes exponential growth in population, GDP, energy use, water consumption, transportation, and other socio-economic indicators alongside steep rises in CO₂, methane, ocean acidification, deforestation, and biodiversity loss.

When did the Great Acceleration start?

The Great Acceleration is generally dated from around 1950, when post-World War II economic expansion, population growth, and technological change drove a sharp upward inflection in nearly all measures of human activity and environmental impact. The term was formalized by Steffen et al. (2015) in their analysis of 24 global indicators.

How has the world changed since 1950?

Since 1950, world population has tripled, real GDP has grown roughly tenfold, primary energy use has increased fivefold, and CO₂ emissions have quadrupled. Ocean acidification, tropical forest loss, freshwater use, and fertilizer consumption have all surged. This interactive tracks 24 such metrics and personalizes the data to your birth year, showing how much changed in your lifetime.

Personal Dashboard

Great Acceleration

The Great Acceleration — personalized to your lifetime

Last updated: February 13, 2026

With the support of the Potsdam Institute for Climate Impact Research (PIK)

Scroll the wheel or type a year, then explore how 24 planetary metrics changed during your lifetime.

or type a year:

Overview Combined Detail

The World Since You Were Born

24 metrics of the Great Acceleration. Each card shows change since your birth year. Click any card for detail.

Socio-Economic Trends

Earth System Trends

All Metrics — Normalized View

All 24 metrics on a 0–1 scale. Your birth year is the vertical dashed line.

Hover the chart to see values

Metric Deep Dive

Deep dive: Great Acceleration →

About the Great Acceleration Interactive

The Great Acceleration describes the dramatic surge in human activity and its planetary consequences since the mid-twentieth century. Beginning around 1950, nearly every measure of human enterprise — population, economic output, energy consumption, water use, transportation, telecommunications — underwent exponential growth. Simultaneously, Earth system indicators — atmospheric CO₂, methane concentration, ocean acidification, tropical forest loss, terrestrial biosphere degradation — accelerated in lockstep.

This interactive visualization tracks 24 metrics of the Great Acceleration, split evenly between socio-economic trends (population, real GDP, foreign direct investment, urban population, primary energy use, fertilizer consumption, large dams, water use, paper production, telecommunications, global infrastructure agreements, and transistors per microprocessor) and Earth system trends (CO₂, nitrous oxide, methane, stratospheric ozone, surface temperature, ocean acidification, marine fish capture, shrimp aquaculture, nitrogen to coastal zone, tropical forest loss, domesticated land, and terrestrial biosphere degradation).

What makes this tool unique is its personalization to your birth year. Select any year between 1750 and 2025, and every chart reframes the data around your lifetime, showing how much the world changed since you were born. You can also compare generational perspectives — seeing the same data from your parents' or grandparents' viewpoint.

The data draws on the landmark research of Will Steffen, Wendy Broadgate, Lisa Deutsch, Owen Gaffney, and Cornelia Ludwig, published in The Anthropocene Review (2015), which formalized the Great Acceleration concept with standardized global datasets from the International Geosphere-Biosphere Programme (IGBP) and the International Human Dimensions Programme on Global Environmental Change (IHDP). Updated datasets extend through 2024.

Three views let you explore the data in depth: an overview dashboard with 24 card-based summaries showing percentage change since your birth, a combined normalized chart placing all metrics on a common 0–1 scale for direct comparison, and a metric deep-dive with full-resolution charts, statistics, and source attributions for each indicator.

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