Over 40,000 cultivated varieties of Asian rice exist globally, though the total including wild species exceeds 120,000 — all classified into long, medium, and short grain types.
Walk down any grocery aisle and the sheer number of rice bags can feel overwhelming. Basmati, Jasmine, Arborio, Bomba, sticky, brown, white — the list runs long, and the question “how many types of rice are there?” is one every cook bumps into when a recipe demands something specific. The real number is astronomical for a single ingredient: over 40,000 cultivated varieties of Asian rice (Oryza sativa) exist, with global estimates including wild species topping 120,000. But for a kitchen, the practical classification comes down to three grain lengths, two major subspecies, and a handful of processing forms that change how the rice cooks. Here is how to sort the whole field.
The Three Grain Lengths That Matter In Your Kitchen
Grain length determines texture more than any label. Long-grain rice stays fluffy and separate — ideal for fried rice and pilafs. Medium-grain turns moist and tender, perfect for stews and curries. Short-grain is nearly round and soft enough to clump, which is why sushi chefs and risotto lovers reach for it. The differences are consistent across thousands of varieties because they trace back to two subspecies: Indica (mostly long grain) and Japonica (mostly medium or short grain).
Here is how the three grain categories stack up with the varieties you will actually see in a US store:
| Grain Length | Texture When Cooked | Best For |
|---|---|---|
| Long Grain | Fluffy, separate, dry | Fried rice, pilaf, side dishes, biryani |
| Medium Grain | Moist, tender, creamy | Stews, curries, rice puddings, casseroles |
| Short Grain | Soft, sticky, glue-like | Sushi, risotto, paella, onigiri, desserts |
Within those three buckets, the varieties you likely know by name (Basmati, Jasmine, Arborio, Bomba) are not competing categories — they are specific cultivars from one of the two subspecies, each bred for a local cuisine. Live Eat Learn’s comprehensive A-to-Z guide catalogs fifty distinct types alone, and that barely scratches the surface of the 40,000-plus cultivated varieties scientists have recorded.
Indica vs. Japonica: The Two Big Families Behind The Names
The overwhelming majority of rice you buy belongs to one of two subspecies. Indica varieties are long-grain and aromatic — Basmati from India and Pakistan, Jasmine from Thailand, and the US-grown hybrids Texmati and Wehani (both developed in the late 20th century) all fall here. They cook up dry and separate, which is why they dominate fluffy dishes. Japonica varieties are medium to short grain and sticky — Arborio (wider grains with a telltale white dot at the center), Bomba from Spain (the paella star that absorbs broth without turning mushy), and Japanese sushi rice all belong to this family. The sticky character of Japonica comes from low amylose starch, not sugar content; “glutinous” rice is still gluten-free and starchy, not sweet.
A few specialty types cross the lines or come from different species entirely. Riceberry, a long-grain hybrid developed in Thailand in 2002, offers a nutty, floral note. Black (purple) sticky rice and Red Cargo rice deliver chewy, earthy textures that hold up well in grain bowls. And wild rice is not rice at all — it is a semi-aquatic grass native to North America, with a chewy, earthy bite that makes it a great whole-grain option.
Beyond Grain Length: How Rice Gets Processed
The same variety can appear in several forms depending on how much of the grain is left intact. Brown rice keeps its bran and germ layer; white rice has them polished off, which shortens the cooking time but removes fiber. Parboiled rice is steamed under pressure before milling, pushing nutrients into the grain and making it firmer and less sticky — it is a processing method, not a separate variety, which is a common mix-up. Instant rice is fully cooked and dehydrated; it rehydrates in minutes but sacrifices texture. Each form changes the cook time and dish results even when the variety stays the same.
Here is how the most common US market varieties map to their best uses and cooking traits:
| Variety | Grain Type | Best Kitchen Use |
|---|---|---|
| Basmati | Long-grain Indica | Biryani, pilaf, plain side |
| Jasmine | Long-grain Indica | Thai dishes, fried rice |
| Arborio | Short-grain Japonica | Risotto (creamy, absorbs broth) |
| Bomba | Short-grain Japonica | Paella (absorbs without mushiness) |
| Sushi Rice | Short-grain Japonica | Sushi rolls, onigiri |
| Glutinous (Sticky) | Short-grain Japonica | Thai desserts, sticky rice dishes |
| Wild Rice | Grass (not Oryza) | Salads, stuffing, grain bowls |
Three facts commonly trip up home cooks. First, parboiled is a method, not a grain type — it can be applied to long, medium, or short grains. Second, “brown rice” is a whole-grain state of any variety, not a cultivar. Third, glutinous rice has no sugar despite the name; it is called sticky because its low amylose starch makes the grains cling together. The same variety can be sold brown or white, meaning you may eat entirely different processing forms of the same cultivar and never notice.
The Varieties You Reach For By Dish
Choosing the right rice comes down to what you are cooking. Fried rice needs long-grain Indica (Jasmine or Basmati) to stay separate in the wok. Sushi demands short-grain Japonica — the sticky texture is what lets you shape a roll. Paella benefits from Bomba or Calasparra, both Spanish short-grain varieties bred to absorb broth without collapsing. Risotto requires the high starch content of Arborio (or Carnaroli), which releases creaminess with gentle stirring. For everyday side dishes, a medium-grain like the standard supermarket “white rice” works fine, but subbing long-grain into a recipe that expects sticky rice will send you to the trash bin.
All true rice varieties (Oryza) are naturally gluten-free, though cross-contamination during farming or processing is possible — check the package if that is a concern. Brown rice retains the bran layer, which adds fiber but also carries higher levels of inorganic arsenic compared to white rice; the FDA recommends rinsing brown rice thoroughly and cooking it in excess water (draining after) to reduce arsenic content, especially for children and pregnant women. US consumers in arid regions like Texas and California may want to choose certified low-arsenic brands.
Finishing With The Right Grain For The Task
The number of rice varieties is staggering — over 40,000 cultivated types and counting — but the kitchen classification is simple: match the grain length to the dish. Long for fluffy, short for sticky, medium for creamy. When a recipe calls for a specific variety by name (Arborio for risotto, Bomba for paella), that choice is not fussy — it is the difference between a dish that works and one that turns to mush. The rest of the varieties are variations on a theme, and knowing those three grain buckets plus the two subspecies (Indica and Japonica) lets you cook any rice recipe with confidence, even if you have never heard of the specific type before.
References & Sources
- Live Eat Learn. “50 Types of Rice From A to Z.” Comprehensive A-to-Z guide of rice varieties with origins and cooking notes.

