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Life in Numbers · Climate

A century behind us. Three futures ahead.

Explore observed country temperature from 1921–2020, then compare three CMIP6 pathways through 2100.

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North America

United States

1921—2020
Change between the first and last decade+1.20 °C
Warming rate since 1960+2.64 °C per 100 years
Warmest observed year2016+2.04 °C
Coolest observed year1924-0.72 °C

01 · One stripe, one year

One stripe, one year

Blue years were cooler and orange years warmer than the country's 1951–1980 average.

1921195019802020

02 · A century of observed change

A century of observed change

Annual values fluctuate. The 10-year averages below make the long direction easier to see.

192119702020
DecadeAverage anomaly
19211930+0.07 °C
19311940+0.43 °C
19411950+0.14 °C
19511960+0.15 °C
19611970-0.09 °C
19711980-0.06 °C
19811990+0.35 °C
19912000+0.51 °C
20012010+0.79 °C
20112020+1.26 °C

03 · 2021—2100

What could happen by 2100?

Switch pathways to see the CMIP6 multi-model median. These are scenarios built from assumptions about future emissions—not exact predictions.

Pathway
201520502100
Scenario · SSP2-4.5
2030+2.11 °C
2050+2.87 °C
2075+3.52 °C
2100+3.99 °C

04 · How to read this page

How to read this page

A temperature anomaly is the difference from a reference average. The future line is a scenario range for long-term climate—not a forecast for any particular day or year.