Launch offer: 20% off your first 2 months
Siip Coffee 101

The Coffee Belt: Where Coffee Grows, and Why

By Siip7 min read

Almost every cup of coffee you have ever had started in the same strip of the planet. It runs around the middle of the Earth, between the Tropic of Cancer and the Tropic of Capricorn, and it is called the coffee belt. Some people call it the bean belt.

Turn the globe below and pick a country to see what its coffee tends to taste like.

Loading the map...
The coffee belt
Turn the globe. Pick a country.
The lighter band is the belt, between the Tropic of Cancer and the Tropic of Capricorn. The brighter a country, the more of its coffees are in Siip.
The Americas
Africa and Arabia
Asia and the Pacific
Countries and coffee counts from Siip's catalogue, October 2026. Hawaii and Yunnan are shown as points, since most of the United States and China lie outside the belt. Map data: Natural Earth.

What the coffee belt is

The two tropics sit about 23.4 degrees north and south of the equator. Between them the sun stays high all year, there is no real winter, and frost is rare. Coffee is grown in more than 40 countries, and nearly all of them lie inside this band, across three stretches of land:

  • The Americas, from Mexico through Central America down to Brazil and Bolivia.
  • Africa and Arabia, from Ethiopia and Kenya down to Malawi, with Yemen just across the Red Sea.
  • Asia and the Pacific, from India through Vietnam and Indonesia to Papua New Guinea.

Coffee follows temperature

A coffee tree is fussy, and most of all about temperature. Arabica, the species behind most specialty coffee, does best between 15 and 24°C (59 to 75°F) all year round, and a hard frost kills it. Robusta likes it hotter, around 24 to 29°C (75 to 85°F).

Two things decide whether a place has that steady, mild warmth: how close it is to the equator, and how high it is.

  • Near the equator there is no winter, but the lowlands are too hot. So arabica grows in the mountains, where the air is cooler, by about 6.5°C for every 1,000 meters (3.5°F per 1,000 feet).
  • Farther from the equator, the same mild temperatures are found lower down. So the farms come down the mountain, until winter frost draws the line.

The closer to the equator, the higher the farm

Where arabica grows
Farther from the equator, lower on the mountain
Arabica needs 15 to 24°C all year. Pick a place to see where on the mountain that is.
2,000 m1,000 m0 m
Arabica
1,400 to 2,000 m
Too coldToo hot
Mount Kenya, Kenya
0°1,400 to 2,000 m (4,600 to 6,600 ft)
On the equator there is no winter, but the lowlands are too hot for arabica. So it grows high on the mountain.
Typical altitudes where arabica is farmed, drawn to one height scale. Sources are listed at the end of this post.

Distance from the equator is a guide, not a rule. Kona in Hawaii and the Cerrado in Brazil are about as far from the equator as each other, yet Kona's farms sit much lower, because the Pacific keeps the island mild. The temperature on the ground decides.

It is also why a map of coffee near the equator looks so much like a map of tropical mountains: the Andes, the highlands of Central America, the Ethiopian plateau, the volcanoes of Java and Sumatra.

Frost draws the edge

About 30 degrees from the equator, even the lowlands get frost, and coffee survives only where the sea keeps it away. Brazil learned where that edge is the hard way. In the 1960s and early 1970s, Paraná, around 23 degrees south, grew more of Brazil's coffee than any other state. Then, one night in July 1975, the "black frost" killed most of its trees, and coffee moved north into Minas Gerais, closer to the equator and higher up. It is Brazil's biggest coffee state today.

Cool nights, sweeter coffee

High farms near the equator get cool nights every night of the year. Cool nights slow the coffee cherry down as it ripens, and a slower cherry usually means more sweetness and brightness in the cup. Two rainy seasons there also bring two harvests a year: Kenya has its main and fly crops, Colombia its main crop and the mitaca. Most farms farther out pick once a year.

Who grows the most

The US Department of Agriculture forecasts a record world crop for 2026/27: about 11.4 billion kilograms of coffee beans. Picture the whole crop as 100 coffee beans.

World coffee crop, 2026/27
If the world's coffee were 100 beans
38 would be Brazil's. That is more than the next four countries put together.
11.4 billion kg
of coffee beans, the whole world's crop for the year
2.7 billion cups
of coffee, drunk around the world every day
Crop: US Department of Agriculture forecast for 2026/27. The coffee trade counts in 60-kilogram bags of unroasted beans, 189.7 million of them this year. Cups a day: International Coffee Organization, 2023.

38 of the 100 are Brazil's, more than Vietnam, Colombia, Ethiopia and Indonesia put together.

Volume is not variety, though. In Siip's catalogue, Colombia leads with 5,192 coffees, then Ethiopia with 3,471 and Brazil with 2,313. Vietnam, the second-largest grower on Earth, has 135. Most of Vietnam's crop is robusta, which mostly ends up in instant coffee and blends rather than in the single-origin bags small roasters sell.

What the belt tastes like

Each country in Siip has a typical flavor profile, with a score for body and for acidity. Line them up and a pattern shows.

  • East Africa is bright. Kenya scores highest for acidity in the whole catalogue, with Ethiopia, Burundi and Tanzania close behind. Expect fruit, florals, berries and citrus.
  • Latin America sits in the middle. Chocolate, nuts and caramel, often with some citrus. Brazil is the heaviest and softest of the big ones.
  • Asia is heavy and mellow. Indonesia and Vietnam have the fullest body and the lowest acidity, with India close behind. Expect nuts, spice and chocolate.

These are tendencies, not rules. Altitude, variety, processing and roast change how a coffee tastes as much as the country it comes from.

Coffee outside the belt

Because coffee follows temperature, it also grows outside the belt, usually low and close to the sea, where the ocean keeps the frost away.

The belt is moving

The climate is changing, and the belt moves with it. One widely cited study, A Bitter Cup, found that climate change could cut the land suited to coffee by about half by 2050.

It is also moving uphill. In Colombia, coffee land below 1,200 meters has shrunk from more than 350,000 hectares in 1980 to under 50,000 today, according to the head of the national coffee federation. Hot, dry regions lose the most. Mountains close to the equator, in Colombia, Ethiopia, Kenya and Indonesia, hold up best.

Taste your way around it

The quickest way to learn the belt is to drink it. Pick a coffee from the Americas, one from East Africa and one from Asia, and taste them side by side.

The Siip app keeps track of the countries you have tried and which ones you rate highest, so your own map fills in as you go.

Frequently Asked Questions

What is the coffee belt?
The band around the equator between the Tropic of Cancer and the Tropic of Capricorn, from about 23.4 degrees north to 23.4 degrees south, where nearly all of the world's coffee is grown. It is also called the bean belt.
Which countries are in the coffee belt?
More than 40 countries grow coffee, and nearly all of them are in the belt. The largest growers are Brazil, Vietnam, Colombia, Ethiopia and Indonesia. Others include Mexico, Guatemala, Honduras, Costa Rica, Peru, Kenya, Rwanda, Uganda, India and Papua New Guinea.
Why does coffee only grow near the equator?
Coffee trees are killed by frost and need mild temperatures all year, between 15 and 24°C for arabica, plus plenty of rain. Near the equator those temperatures are found in the mountains. Farther out they are found lower down, until the winters get too cold.
Why is coffee grown at high altitude?
Because arabica needs mild temperatures, and air cools by about 6.5°C for every 1,000 meters. Near the equator the lowlands are too hot, so most arabica there grows between about 1,200 and 2,200 meters. Farther out, the same temperatures are found lower, which is why Kona in Hawaii grows coffee below 1,000 meters.
Can coffee grow outside the coffee belt?
Yes: in Taiwan, Okinawa, the Canary Islands, eastern Australia, South Africa's east coast, California and even Sicily. Most of them grow it low and close to the sea, where the ocean keeps frost away.
Where does most of the world's coffee come from?
Brazil grows about 38 percent of the world's coffee, around 4.3 billion kilograms a year. Vietnam is second with about 17 percent, followed by Colombia, Ethiopia and Indonesia, according to the US Department of Agriculture's forecast for 2026/27.

Sources

Keep reading