Japanese Kanji Characters with Educational Difficulty Grades

3,003 Japanese kanji characters are annotated with their official educational difficulty grades. The dataset is sourced from the Japanese Ministry of Education's Joyo Kanji list and kanjiapi.dev, covering elementary through advanced levels. It provides character-grade pairs for analysis of the Japanese writing system.

Use Cases

• Train a text classification model to predict educational grade from kanji character features.
• Analyze the distribution of kanji characters across elementary grades 1-6 and secondary education levels.
• Build a lookup tool for kanji difficulty based on the official Joyo Kanji list.

Strengths

• Contains 3,003 kanji characters, a substantial collection for analysis.
• Sourced from the authoritative Japanese Ministry of Education (MEXT) Joyo Kanji list.
• Covers a wide educational range from elementary grades 1-6 to advanced characters.

Limitations

• The dataset's specific features per character, such as stroke count or readings, are not detailed in the provided input.
• The total number of columns and data format are unknown, limiting understanding of its structure.
• Potential bias towards the official Joyo list, which may exclude rare or historical kanji.

Provenance

Source

Japanese Ministry of Education (MEXT) Joyo Kanji list and kanjiapi.dev.

Collection Method

Compiled from official educational standards and an external API.

Freshness

Last updated on 2025-09-30.

Geography

Japan