A coffee bean is the seed of a red fruit. Its species, where it grew, how the fruit came
off and how dark it was roasted decide most of what you taste.
01 · Species
Two species make nearly all of it.
01
Arabica
Coffea arabica
Share
~56% of the world crop
Grows
High: ~1,000–2,000 m
Caffeine
~1.2–1.5% of the bean
Tastes
Sweet, fruity, bright
Robusta
Coffea canephora
Share
~44%; Vietnam grows the most
Grows
Low & hot: 0–800 m
Caffeine
~2.2–2.7%, about double
Tastes
Bitter, chocolate, nutty; thick crema
Liberica
Coffea liberica
Share
Well under 2%
Grows
Lowland heat; big, lopsided beans
Caffeine
Lower than robusta
Tastes
Smoky, woody, jackfruit
Excelsa
Coffea dewevrei
Share
Tiny, growing in Uganda & SE Asia
Grows
Handles heat and drought
Status
Its own species since 2025
Tastes
Tart, dark-fruity
Arabica · 105.9 M bags
Robusta · 83.8 M
World production forecast 2026/27: a record 189.7 M bags of 60 kg. USDA FAS, July
2026. Kew scientists are trialling heat-tolerant species like stenophylla and liberica
× excelsa hybrids as the climate warms.
02 · Roast
Green to black in 12 minutes.
02
25 °Cbean temp
Green
green1st crackmedium2nd crackdark
Caffeine barely changes with roast. Dark beans lose weight and swell, so a scoop of
light roast holds slightly more.
03 · Process
How the fruit comes off.
03
Washed
04 · Origin
The coffee belt.
Coffee grows between the tropics. Circles show each country’s forecast crop. Tap
one.