The Ledger

The world, in numbers that got better

One measurable thing per page, told by the long run of the data. The datasets are public and linked under every chart.

One measurable thing per page, drawn from a public dataset that is linked under every chart.

Entry 01

42.8% 3.7%

1800 → 2024

Far fewer children die before their fifth birthday

Entry 02

43.4% 10.4%

1990 → 2024

Extreme poverty has more than halved since 1990

Entry 03

$128.27 $0.26

1975 → 2024

Solar panels cost a tiny fraction of what they used to

Entry 04

12.0% 87.7%

1820 → 2024

Most of the world can now read and write

Entry 05

122,098 zero

1967 → 1980

Smallpox is the first human disease ever eradicated

Entry 06

65,737 536

1981 → 2023

Polio has been pushed to the edge of extinction

Entry 07

28.5 73.2

1770 → 2023

A person born today can expect to live far longer

Entry 08

73.2% 91.6%

1998 → 2023

Nearly everyone on Earth now has electricity

The long lines are made of single days.

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