As a formality though, the franchise puts Sakura's IQ at 174, Sasuke's at 100 and Naruto's at 90, just below the human average.
Since he was an Academy student, Sasuke was considered a genius who could learn almost anything without any issue. He was great at reading people. Only a few individuals could keep secrets from him as he was able to tell when people were lying or withholding information.
In the databook Sakura has an IQ of 175. That's higher than most anime characters.
1) Shikaku Nara
Shikaku Nara is arguably the smartest character in the Naruto series. Members of the Nara clan are smart but Shikaku is a cut above the rest.
1)Naruto saying that Kakashi is “smarter than Shikamaru” meaning his IQ is over 200, one could say “Well how would Naruto make that determination” this comes down to it being an obvious case of authors intent, the quote was there to build up Kakashi.
Based on the universe he's in and the standards set within it, I'd estimate between 130–160. He's a genius but he's also emotionally stunted. He catches on to concepts and observations pretty instantly and can formulate proper responses and apply solutions on a short whim.
Of the members of Team Seven, barring Kakashi, we can say that each of them have their own intelligences. As a formality though, the franchise puts Sakura's IQ at 174, Sasuke's at 100 and Naruto's at 90, just below the human average.
What is Uchiha Madara's IQ? He was believed to have an IQ over 200 by his teacher, Asuma, and could defeat opponents significantly stronger than he was, provided there was even the slightest chance of victory.
Senku Ishigami is believed to possess an IQ of 180 to 200, making him a highly gifted being. He holds a profound knowledge of chemistry, mathematics, physics, biology, and all other subjects. Using his wide sense of knowledge, Senku has proved himself to be the savior of humanity multiple times.
1) Tobirama
Not only was he good in combat, he was also great when it came to his administrative duties as a Hokage. Tobirama was also responsible for implementing the concept of democracy when it came to decisions regarding the village's well-being. Tobirama is probably the best Hokage in the Naruto series.
Neji is supposed to be a genius and characters like Asuma and Jiraya score a 4.5. While characters like Itachi, Hiruzen, Minato, Shikamaru, etc score a 5. Hidan himself score a 3 higher than Lee, Choji, and probably a few others. Neji the genius scored a 2.5 in original Naruto and a 3 in Naruto.
1) Itachi Uchiha
This child prodigy became the Anbu Squad leader at the tender age of thirteen and carried out one of Konohagakure's most secretive operations. As portrayed in his fight with Sasuke, he is also shown to be an astute and competent planner, foreseeing and assessing everything before entering combat.
Itachi, on the other hand, is known to have had the wisdom of a Kage at the age of 7. According to Hashirama, Itachi was a much better shinobi than him because he understood what was truly important and this level of insight is something that Sasuke will never possess.
Contrary to his lazy tendencies, Shikamaru is extremely intelligent; his teacher, Asuma Sarutobi, determined that Shikamaru's IQ was over 200.
Tobirama was the most intelligent Hokage ever to rule the Leaf. A ninjutsu genius, he created powerful forbidden techniques such as the Edo Tensei and shadow clone jutsu.
Marilyn vos Savant: 228
Born in 1946 in St. Louis, Missouri, Savant was listed as the person with the highest IQ by Guinness World Records.
Kim Ung-Yong: IQ 200–210
Somehow, Kim Ung-Yong has been dubbed both a “failed genius” and the person with the highest IQ of all time. The truth depends on who you ask—similar to his IQ score, which ranges from 200 to 210, depending on the test.
115 to 129: Above average or bright. 130 to 144: Moderately gifted. 145 to 159: Highly gifted. 160 to 179: Exceptionally gifted.
Goku: 76, even though you might think his IQ could be even lower sometimes, he often proves he can do some smart things too, especially while fighting and especially during DBZ.
Rishi Shiv Prasanna
8-year-old Prasanna has a certified IQ of 180 which is way higher than the usual benchmark of 85-115. His score of 180 is 20 points greater than the IQ of Einstein and Stephen Fleming. Both had an IQ of 160.
What's more, Nagato's usage of the Six Paths of Pain was very clever and his arrangement of the various Pains was very tactical. He was smart enough to lure Naruto to places where he held the advantage and was overall a very intelligent character.
According to those who knew him personally, Minato was a very talented ninja prodigy — a rare genius that appeared only once in a generation.
4 Naruto Wins: He's Smarter Than Goku
Since Goku is excessively strong, he defeats his enemies using his strength. He never has to use his brains, which is a special disadvantage seeing how he always begins fights by underestimating his opponents.