No, Naruto is not generally considered 18+.
While the series contains some violence and suggestive themes, it largely avoids explicit content. The reference material specifically notes that nudity is rare and, when present (such as in hot spring scenes or with Naruto's "Sexy Jutsu"), is handled in a way that avoids explicit depictions. Male characters may occasionally be shown in their underwear, but private areas are always covered.
Content Considerations
- Violence: Naruto features fighting and battles, which can be intense at times. However, the violence is generally stylized and not excessively graphic.
- Suggestive Themes: Some scenes may contain suggestive humor or innuendo, particularly involving Naruto's transformations or interactions between characters. However, these are generally lighthearted and not sexually explicit.
- Nudity: As mentioned in the provided reference, nudity is minimal and strategically censored.
Therefore, while some mature themes are present, the overall content of Naruto aligns more with a teen or young adult audience than an adult-only rating.