maproll
maproll.io Verified organization account
Map-making tool for choropleth and data maps; publishes the weekly Mapped data-map series.
Publications 15
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Two in three people live in a country below replacement
In 1950 the average woman had 4.9 children; in 2023, 2.25. 128 of 233 countries are now below the 2.1 replacement rate, and two in three people live in them.
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1 in 44 didn't survive the crossing
Of those not turned back on the Central Mediterranean route, about 1 in 44 died or went missing. 33,600 dead or missing, 2014 to 2025, and that is the floor.
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5.7 hours of class in Costa Rica. 3.1 in Korea.
A 7-year-old in the OECD gets about 4.2 hours of compulsory class a day. Costa Rica timetables 5.7, Korea 3.1. Mapped by country, 2024/25.
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India grows them. Ecuador ships them.
The world grew 139 million tonnes of bananas in 2024. India grew 37.6 million, more than China, Indonesia and Ecuador combined, and exported about 2%.
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Greenland is Saudi Arabia's size. Mercator disagrees.
Greenland, DR Congo, Algeria and Saudi Arabia each cover about 2.2 million km². Mercator draws Greenland over four times bigger than the other three combined.
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Where every new car is going electric
The electric share of new car sales, mapped by country. Nine in ten in Norway, one in ten in the US, barely one in twenty-five in Japan.
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Nearly half of the Netherlands lives in three provinces
The population of all 12 Dutch provinces, mapped. Zuid-Holland has almost 10× Zeeland's people, and three coastal provinces hold nearly half the country.
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Which country drinks the most coffee?
Coffee consumption per capita, mapped. Finland drinks roughly triple what Americans do, while Brazil, the world's biggest grower, is only mid-pack.
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A home costs 4.6× more in Hawaii than West Virginia
The typical home value in all 50 US states, mapped. From about $837k in Hawaii to $183k in West Virginia, a 4.6× gap inside one country.
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What a Big Mac costs around the world
The Economist's July 2026 Big Mac Index, mapped. The same burger costs $9 in Switzerland and $2.38 in Indonesia, a quick read on currency valuations.
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Where people live longest
Life expectancy at birth, mapped. A baby born in Japan can expect to live around 30 years longer than one born in Nigeria.
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Who really emits the most CO₂
CO₂ emissions per person, mapped. Measured per capita, the biggest emitters are the Gulf states — and France emits less than half what China does.
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A century of Nobel Prizes, mapped
Nobel laureates by country, all-time. The United States has won more than the next four countries combined — see how the prize is distributed across the world.
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Paris 2024: who actually struck gold
The Paris 2024 gold medal table, mapped. The United States and China tied at the very top — and 64 nations went home with at least one gold.
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maproll is in public preview
maproll turns data into production-ready SVG and PNG maps from a single URL — no auth, no tile servers, no SDK. Here's what's live today.
Research