You do not need all 2,136 kanji to start reading Japanese.

That number is the jouyou list, the set of kanji taught through the end of Japanese high school. It gets quoted so often that people assume it is the bar you have to clear before you can read anything. It is not.

What the levels actually look like

JLPT N5, the first level, is only around 80 to 100 kanji. N4 brings you to roughly 300 total. By N3 you are near 650, by N2 around 1,000, and N1 lands you close to 2,000. So the jump from zero to reading simple material is small. The famous scary number is the finish line of a long race, not the entry fee.

How far a pile of kanji gets you

The more useful question is how far a given pile of kanji actually gets you, and the answer is better than the 2,136 makes it sound. Knowing around 1,000 kanji covers the large majority of the characters you meet in everyday text. Push to about 2,000 and you are comfortable with newspapers and most novels. The returns are front-loaded. Your first few hundred kanji do a lot of the work because they are the common ones that show up constantly, and every hundred after that buys you a little less.

The number that matters is the next hundred

That is why the number that matters is not the total. It is the next hundred. Nobody reads Japanese by memorizing a 2,000-item list and then opening a book. You learn a batch, you start seeing those characters in signs and subtitles and menus, the recognition sticks because you keep running into it, and you add the next batch. The list shrinks as you walk through it instead of looming the whole time.

Kanji is not a side task

The other thing worth saying early is that kanji is not a side task you grind separately from the language. For me it was the lever that moved everything else. The more kanji I learned, the more vocabulary came with it, because so many words are just kanji you already know stuck together. Reading got easier, which meant more exposure, which meant the kanji stuck harder. That loop is the actual point. Learning a character in isolation is a memory game. Learning it inside the words it lives in is reading practice, and reading practice is what you are really after.

How to work through them

So learn them with their vocabulary, not as bare meanings on a card. Go in JLPT order if you want a sane path, since that roughly tracks how common and how useful each character is. Do a small set every day rather than a heroic session once a week, because kanji rewards frequent contact more than long cramming. A few cards waiting for coffee or sitting on the bus adds up faster than it feels like it should.

You will keep meeting new ones

One honest thing. You will keep meeting new kanji forever. I have been reading Japanese for over 30 years and I still hit ones I do not know. That is not a sign you are behind. Even native readers look things up. The goal was never to finish the list. It was to know enough that reading stops being decoding and starts being reading, and that threshold is a lot closer than 2,136.

If you want a path that is already laid out this way, SimplyKanji is the flashcard app I use. It covers 2,425 kanji with their example vocabulary, organized by JLPT level from N5 up to N1, so you are always working on the next useful batch rather than staring at the whole mountain. N5 and N4 are free at simplykanji.com.

You do not need all of them. You need the next hundred, and then you need to go read something.