Board Thread:Versus Debates/@comment-32544880-20170906180821/@comment-734582-20170907204946

Mr. Grave wrote: Databooks are full of errors, yeah, but they're not pure bullshit. True, but the scores are pretty random. Seems to me that it's either a ranking (e.g. a "5" in ninjutsu means they use some of the highest-tier or S-rank jutsu) or a statistic group("5" in ninjutsu means you're in the 5% strongest Ninjutsu masters or something like that). The note says something about one point being a huge difference, yet many ninja are put as equivalent despite clearly not being so. The databooks are full of useful information, but the stats are one of the least useful parts.

Considering the level of ninja over the series, from something like Juubi Jinchuriki all the way to Genin, a 5 point system, even if it's a logarithmic one (e.g a "2" is 10x a "1", a "3" is 100x a "1") doesn't really make sense.