Japanese Password List Updated [patched] -

To better help secure your systems or analyze these trends, could you tell me if you are looking to , configure a password filtering policy , or find tools to check your own account security ? Share public link

Disclaimer: Password security data is based on trends observed in 2025–2026, highlighting the continued prevalence of weak authentication methods. If you'd like, I can:

The updated list is assembled by threat intelligence firms (e.g., HIBP, SpyCloud, and Japanese security vendor LAC Co., Ltd.) through:

Contrary to global trends dominated by simple English words or numeric strings, Japanese passwords exhibit greater dispersion and specific cultural markers. Keyboard-Walk Patterns : Japanese users frequently utilize patterns like japanese password list updated

Recent research indicates that Japanese user-created passwords exhibit greater dispersion than English or Chinese counterparts. However, specific vulnerabilities persist:

Security researchers have proposed methods specifically optimized for Japanese users to bridge the gap between memorability and security.

Using generic global password dictionaries (like RockYou) is no longer sufficient for enterprises operating in Japan or managing Japanese user bases. Localized threat actors specifically utilize updated regional lists to bypass authentication hurdles. To better help secure your systems or analyze

Localized guidance & suggestions

Defenders must move beyond generic password policies to combat localized credential risks. Implement Adaptive Password Blacklists

Goroawase is a Japanese wordplay system where numbers represent phonetic sounds. Users frequently employ these as memorable PINs or password suffixes. Translates to Yo-ro-shi-ku ("Nice to meet you"). 5296: Translates to Ko-bu-ku-ro (a popular musical duo). 39: Translates to San-kyu ("Thank you"). 888: Represents the sound of clapping ( Pachi-pachi ). 4. Local Pop Culture and Brands Local Pop Culture and Brands Historically

Historically, Japanese users have favored passwords based on (phonetic number wordplay), which makes sequences easier to remember but highly predictable for modern cracking algorithms.

Users often favor easy-to-type Romaji over complex symbols.

) often criticize the restrictive password policies of some large Japanese companies. Many sites reportedly: Disallow special symbols (e.g.,

The top 20 most common passwords in Japan for 2025 are:

With heavy smartphone reliance, sequential movements on the Japanese 12-key flick input translate into specific numeric sequences like 123456 or alternating corner keys. 3. Number-Based Wordplay (Goroawase)