Sake Types Explained: Junmai, Ginjo and Daiginjo

A beginner-friendly guide to sake types: what junmai, honjozo, ginjo and daiginjo mean, how rice polishing works, and how to serve and sip sake.

Published October 18, 2026 at 7:19 AM JST | By Tokyo Paul

Quick answer: Sake types are mainly defined by rice polishing and added alcohol. Junmai has no added alcohol, honjozo uses rice polished to 70 percent or less, ginjo to 60 percent or less and daiginjo to 50 percent or less. Lower numbers usually mean a lighter, more aromatic style.

Stand in front of a wall of sake bottles in Japan and the labels can look like a secret code: junmai, honjozo, ginjo, daiginjo, nigori, genshu. The good news is that the main sake categories follow a few simple ideas, and once you know them, choosing a bottle becomes enjoyable rather than intimidating. This guide explains what sake is, how rice polishing shapes the styles, what junmai, honjozo, ginjo and daiginjo mean, how other labels such as nigori and namazake fit in, and how to serve and sip sake with confidence. It is written for curious beginners who want to order or buy with a little more knowledge.

What Is Sake and How Is It Made?

Sake, often called nihonshu in Japan, is a brewed beverage made from rice, water, koji mold and yeast. Koji is a mold that turns the starch in rice into sugar, which the yeast then ferments into alcohol. In this way, sake making combines elements of brewing and fermenting, and the result is a smooth drink that is typically around 14 to 16 percent alcohol after water is added at bottling. Brewing sake is a craft that depends heavily on water quality, rice, temperature control and the skill of the brewing team.

Special sake rice, such as Yamada Nishiki, which is often called the king of sake rice, is larger and stronger than table rice and is polished far more heavily. Different regions use local rice varieties and local water, which is why the same type of sake can taste quite different from one brewery to the next. Kyoto, for example, has its own regional rice varieties that may be used only by breweries in the prefecture. That sense of place is part of the pleasure of exploring sake. Note that the legal drinking age in Japan is 20, so travelers should keep that in mind when ordering.

What Is Rice Polishing?

Rice polishing is the key to understanding sake grades. Before brewing, the outer layers of each rice grain are milled away, because those layers contain proteins and fats that can add heavy flavors. The polishing ratio, called seimai-buai, tells you the percentage of the grain that remains. A ratio of 60 percent means that 40 percent of each grain has been polished off, and a lower number means more polishing.

More polishing generally leads to a lighter, more aromatic, fruit-like sake, while less polishing tends to give a fuller, more rice-forward flavor. A lower number usually means a higher price, because it takes more rice and more time, but it does not automatically mean a better drink for every person. The Japan National Tourism Organization points out that polishing ratio is not a guarantee of quality, so taste is the final judge. Think of it as a style guide rather than a score.

What Do Junmai, Honjozo, Ginjo and Daiginjo Mean?

These words form the core of the "special designation" sake categories. Junmai means "pure rice": the sake is made only from rice, water, koji and yeast, with no added brewing alcohol. Junmai tends to be full-bodied, with a rounded rice flavor, and it is often enjoyed at room temperature or gently warmed. Honjozo uses rice polished to 70 percent or less and has a small amount of distilled brewer's alcohol added, which can make it lighter, crisper and drier.

Ginjo sake uses rice polished to 60 percent or less and is brewed slowly at low temperatures, giving it a fragrant, fruity aroma. Daiginjo goes further, with rice polished to 50 percent or less, and is often seen as the most refined and delicate style. The two names also combine with junmai: junmai ginjo and junmai daiginjo are made without added alcohol, while plain ginjo and daiginjo may have a small amount added to enhance aroma and lightness. A bottle labeled junmai daiginjo is therefore both pure rice and highly polished.

What About Nigori, Namazake and Genshu?

Other labels describe how the sake was finished, not how much the rice was polished. Nigori is cloudy sake that is strained coarsely so that some rice sediment remains, and it is often creamy, sweet and rich. Namazake is unpasteurized sake, which tastes fresh and lively and should be kept refrigerated. Genshu is undiluted sake, usually around 18 to 20 percent alcohol, and it tends to taste bolder and fuller than standard bottles. Futsushu is standard table sake without a special designation and is the most commonly consumed type in Japan.

There are also aged sake, called koshu, which develop deeper, richer flavors over several years. Many labels carry a number called nihonshu-do, which indicates sweetness or dryness: lower or negative numbers lean sweeter, while higher numbers lean drier. Acidity also affects how dry a sake tastes, so the number is a guide, not a rule. Reading a label together with a staff member's recommendation is a quick way to learn.

How Should You Serve and Drink Sake?

Sake is wonderfully flexible. Fragrant ginjo and daiginjo styles are usually best slightly chilled, around the temperature of a white wine, so their delicate aromas stay lively. Junmai and honjozo are often served at room temperature or warmed, which brings out their rounder rice flavor. Premium sake is generally not heated too much, since heat can dull the aroma, but many people enjoy a warm cup of simple sake on a cold day. Personal preference is the real guide.

Traditional serving vessels include the tokkuri, a small carafe, and ochoko, small cups. A masu is a wooden box, and a standard serving, called a go, is about 180 milliliters. In group settings, it is polite to pour for others and let them pour for you, rather than filling your own cup, and to take at least one sip before setting the cup down. Sake pairs well with a wide range of foods, from sashimi to grilled fish and tempura. If you are visiting a brewery, many offer tours and tastings, and reservations are recommended, so check the brewery's official site before you go.

Quick Takeaways

Sake categories are mostly about rice polishing and whether brewer's alcohol is added. Junmai means pure rice with no added alcohol, honjozo is polished to 70 percent or less, ginjo to 60 percent or less, and daiginjo to 50 percent or less. Words like nigori, namazake and genshu describe the finish of the sake, and nihonshu-do hints at sweetness or dryness. Serve ginjo and daiginjo cool, try junmai at room temperature or warm, and trust your own palate. A little knowledge turns a wall of bottles into an adventure worth savoring slowly.

Frequently Asked Questions

What is the difference between junmai and ginjo sake?

Junmai means pure rice sake with no added brewing alcohol and no required polishing ratio. Ginjo uses rice polished to 60 percent or less and is brewed slowly at low temperatures for a fragrant aroma. A bottle can be both, labeled junmai ginjo.

What does daiginjo mean?

Daiginjo is a premium ginjo style made with rice polished to 50 percent or less of its original size. It is typically delicate, aromatic and fruity. Junmai daiginjo has no added alcohol, while plain daiginjo may include a small amount.

Should sake be served hot or cold?

It depends on the style. Fragrant ginjo and daiginjo are usually served lightly chilled, while junmai and honjozo are often enjoyed at room temperature or warmed. Premium sake is generally not heated much, because heat can dull its aroma.