You can evolve Pikachu at almost any level, but most players wait until it learns a key Electric move (usually Thunderbolt) and then evolve it right after.

Short answer

  • In most mainline games, a very common sweet spot is around level 26–30, right after Pikachu learns Thunderbolt (or when you can teach Thunderbolt via TM).
  • Technically, Pikachu evolves with a Thunder Stone, so there is no fixed “required” level; you just choose the timing that fits the moves you want.

How Pikachu evolves (mechanics)

  • Pikachu does not evolve by level; it evolves when exposed to a Thunder Stone in the main series games.
  • Because Raichu (and Alolan Raichu) often learn few or no moves by leveling, the usual strategy is: learn the good moves as Pikachu first, then use the Thunder Stone.

Popular level recommendations

These are community-style “rules of thumb” people use in forum and Q&A discussions:

  • Around level 26:
    • Many players in games like FireRed/LeafGreen wait until Pikachu learns Thunderbolt at level 26, then evolve it as soon as they get a Thunder Stone.
  • Around level 30–33:
    • Some recommend waiting until level 30–33 so Pikachu can learn a set of leveling moves (like Discharge or Agility in some gens), then evolve.
  • Later levels (40+):
    • A few people delay until Pikachu learns Thunder or Light Screen naturally if they do not want to spend TMs or can’t get them easily. Pikachu can learn moves like Thunder in the low 40s in several games.

In modern games where TMs are reusable or easy to get, there is less reason to wait for high‑level moves; you can evolve earlier and teach Raichu strong moves by TM.

Game‑specific nuance (why answers differ)

The “best” level depends on:

  • Which game you’re playing:
    • Move learnsets and TM availability differ between, say, X/Y, FireRed/LeafGreen, and newer titles. In X/Y, for example, players note you get the Thunderbolt TM after the 5th gym, so you can evolve once you have that TM.
  • Whether you have TMs and tutors:
    • If Thunderbolt, Psychic, Light Screen, or Thunder are easily available as TMs or tutors, you can evolve earlier. If not, you may keep Pikachu longer to learn them by level.
  • Alolan Raichu case:
    • For Alolan Raichu, some players suggest evolving around the level Pikachu learns Discharge (e.g., low 30s), unless you plan to rely on TMs for its main moves.

Practical recommendation you can follow

If you just want a clear plan without overthinking:

  1. Keep Pikachu until it learns Thunderbolt (often around level 26–30, depending on the game), or until you get the Thunderbolt TM.
  1. Once you have Thunderbolt on it (or can teach it), use a Thunder Stone and evolve to Raichu right away.
  1. Only delay beyond that if you specifically want a high‑level move like Thunder or Light Screen from Pikachu’s level‑up list and cannot/don’t want to use TMs.

Mini forum‑style note

Most forum replies boil down to: “Wait until Pikachu learns Thunderbolt, then evolve with a Thunder Stone; there’s rarely a big benefit to keeping it much longer, unless you’re chasing one last move from its level‑up list.”

TL;DR: There is no fixed level, but a very safe, widely used choice is: let Pikachu learn Thunderbolt, then evolve it with a Thunder Stone as soon as you can.

Information gathered from public forums or data available on the internet and portrayed here.