DOUDOU CHINESE VOCABULARY DOWNLOADS

PDF layout and file generation by DouDou Chinese. These vocabulary references
are not official examination documents and are not endorsed by the examination provider.
CSV files use UTF-8 with a BOM for spreadsheet compatibility. JSON files are UTF-8 arrays.
Per-level files contain newly introduced entries, not cumulative vocabulary.

HSK 3.0 (2025): 11,000 numbered entries, 10,896 distinct spellings.
Original syllabus: Center for Language Education and Cooperation / Chinese Testing International.
Official PDF: https://hsk.cn-bj.ufileos.com/3.0/%E6%96%B0%E7%89%88HSK%E8%80%83%E8%AF%95%E5%A4%A7%E7%BA%B21219.pdf
Transcription source: https://github.com/uranbekanarbaev/hsk-3.0-vocabulary-dataset
Pinned revision: 6859875bf3ba3b7209dee3b23171f893f7493776
Original syllabus rights are retained. See HSK-2025-source-rights.txt.
The downloaded PDFs were independently formatted by DouDou Chinese; no source PDF layouts were copied.
Original entry IDs, homographs, pinyin, level labels and source PDF pages are preserved in CSV/JSON.

HSK 2.0: 4,991 distinct spellings grouped by their lowest recorded level.
Source: complete-hsk-vocabulary by Yanis Zafiropulos.
https://github.com/drkameleon/complete-hsk-vocabulary
Pinned revision: 7ac65bf1a6387d35f1ade478906172a19311c7f9
License: MIT; see HSK-legacy-MIT.txt. Retain the copyright and license notice.
IDs in these HSK 2.0 exports are local row identifiers, not official syllabus IDs.
Pinyin includes the source dictionary's readings; meanings are not disambiguated.

Word and character frequency: 63,175 words and 8,587 characters, most frequent first,
in occurrences per million words (words) or per million characters (characters).
The word PDF lists the 10,000 most frequent words; the CSV and JSON files list all of them.
Source: wordfreq 3.1.1 (large_zh list), a snapshot of language up to about 2021.
https://github.com/rspeer/wordfreq
Word frequencies from wordfreq by Robyn Speer (https://github.com/rspeer/wordfreq, doi:10.5281/zenodo.7199437), CC BY-SA 4.0.
Its Chinese data draws on Wikipedia, OpenSubtitles 2018 (https://www.opensubtitles.org/),
SUBTLEX-CH by Qing Cai and Marc Brysbaert (SUBTLEX is freely available data),
Google Books Ngrams (http://books.google.com/ngrams), news, web text, Twitter and the Jieba word list.
Changes: limited to words in our dictionary that occur at least 0.1 times per million words;
ranked and formatted by DouDou Chinese.
License: CC BY-SA 4.0; see wordfreq-CC-BY-SA-4.0.txt. Adaptations must be shared under the same license.