Japanese Password List Updated |top|

(keys in vertical or diagonal order) are extremely prevalent among the most used passwords in the region. Simple Numeric Strings:

: A random string of 4+ words (in English) that have no cultural meaning in Japan. Add : One random Japanese character (not a full word) like あ or ！ (full-width exclamation). Include : A variable digit based on a personal algorithm (e.g., the last digit of the service’s phone number). japanese password list updated

Current Japanese password trends as of April 2026 show a significant gap between security best practices and common user habits. Recent studies, including a January 2026 report in Springer Nature (keys in vertical or diagonal order) are extremely

Japanese passwords show greater dispersion (variety) than English or Chinese lists, but still fail due to the high frequency of these common cultural markers. Springer Nature Link Password List Resources (Updated) Include : A variable digit based on a personal algorithm (e

| List Name | File size | Truly Japanese-specific? | Last update | |-----------|-----------|--------------------------|--------------| | jp-passwords-2024.txt | 4.2 MB | ~60% (rest are common English) | Nov 2023 | | japan_weak_passwords.txt | 1.1 MB | Yes, mostly romaji names | July 2022 | | updated_jp_wordlist.txt | 18 MB | No – it’s just rockyou.txt filtered for ASCII | Feb 2024 |