What is the difference between the particles は (wa) and が (ga)?

The particles in the Japanese language are amazing. They make the language simpler, more direct, and easier to understand, but sometimes they can complicate things.

One point that confuses many people when learning nihongo is the particles は (wa) and が (ga). They have similar functions, and this can create a real “bug” in the mind. Today, we will try to explain the difference between these two particles so that you never get confused again.

Basic Summary

The particles は and が are super important in Japanese. You will use them all the time in almost every sentence. In summary:

• The particle は (wa) is used to mark the topic of the sentence.
• The particle が (ga) is used to mark the subject of the sentence.

Now that you know this, have you solved your problems? Probably not. This explanation of “topic” and “subject” may seem a bit confusing, after all, the two terms are very similar.

Many people say that you will understand the difference between が and は over time, but who wants to wait that long? We want to understand now! Let’s go, but keep in mind that this requires a basic knowledge of the Japanese language.

The True Difference Between は and が

Let’s talk a little more about what each particle does:

Particle は (wa)

• Marks the topic of the sentence.
• Used when something has already been mentioned before or is familiar to both the speaker and the listener.
• Indicates contrast or highlights the topic.
• Although it is written with the hiragana は (ha), it is pronounced “wa”.
• It appears after a noun to indicate that something will be said about it.
• Can indicate contrast between two items or show a limit number.

Particle が (ga)

• Marks the subject of the sentence.
• Used when a situation or event is presented for the first time.
• Also connects two sentences, with the meaning of “but”.
• Can indicate the object of a subordinate or relative clause.
• Can be used to soften a statement or refusal.

These explanations may seem like a lot of information, but don’t worry, the main focus is to understand the basic difference: wa marks the topic and ga marks the subject. But what exactly is this difference?

Topic vs Subject: What Does This Mean?

Topic (は)

The topic is the general “subject” of the conversation, something that has already been mentioned or is known by both the speaker and the listener.

• When to use は?
  • To compare two things.
  • When you are giving general information.
  • When talking about people or abstract ideas.

Subject (が)

The subject is what is directly related to the verb, that is, who performs or suffers the action.

• When to use が?
  • For neutral statements that focus on specific information.
  • To describe physical things or point out something specific from a group.

Example Sentences

Example 1:

(1) 猛男さん が イチゴを 食べました。
(2) 猛男さん は イチゴを 食べました。

Both sentences mean “Mr. Takeo ate the strawberry”. The difference lies in what is emphasized:

• In the first sentence, the particle が emphasizes who ate the strawberry (Takeo).
• In the second sentence, the particle は emphasizes what was eaten (the strawberry).

Example 2:

(1) これ が 臭い です (kore ga kusai desu)
(2) これ は 臭い です (kore wa kusai desu)

Both mean “This is stinking”, but:

• The sentence with が emphasizes that this specifically is what is stinking.
• The sentence with は emphasizes the act of stinking, without focusing so much on the object.

Example 3:

(1) 私 が 行きます (watashi ga ikimasu)
(2) 私 は 行きます (watashi wa ikimasu)

Both mean “I will go”, but:

• In the first sentence, with が, you are highlighting yourself, as if saying: “I am the one going”.
• In the second sentence, with は, you are simply informing that you will go.

Example 4:

(1)このボールペンが赤です。(Kono bōrupen ga akadesu.)
(2)このボールペンは赤です。(Kono bōrupen wa akadesu.)

This pen is red

Once again, the first example, which uses the particle “Ga“, emphasizes the pen and not its color. It’s as if the sentence wanted to say: “THAT pen is the red one!!!” (and not that other pen).

While the particle “Wa” is trying to say: “This pen is RED!!!” (and not blue)

Simply put, we can conclude that: the particle Ga emphasizes what is before the particle while Wa emphasizes what is after it.

Example 5:

Let’s go to one more small example:

• 私はケビンです ( I am Kevin )
• 私がケビンです( I am the am Kevin)

Or you can simply say informally ケビンです without using any particle;

Conclusion

This article showed only a basic view of the difference between the particles は and が. There are still many details that can vary depending on the situation, but understanding that が emphasizes what comes before it and は what comes after it will help you a lot. Depending on the context, you will need to decide which particle to use to sound more natural.

Remember: you won’t always need to use particles in your responses. Often, a short answer is enough!