Japan's Worst Passwords 2024
Analysis of password security vulnerabilities and trends specific to Japanese users
📊 Data Methodology
This list combines both global common passwords AND Japan-specific patterns. Numbers 1-20 are globally common passwords also used in Japan, while 21-50 represent uniquely Japanese cultural password patterns. This mixed approach reflects real-world usage where Japanese users employ both international weak passwords and culturally-specific ones.
Executive Summary
Our analysis of Japanese password breach data reveals concerning trends specific to Japan and global patterns adopted by Japanese users.
123456
Most common password in Japan
71%
Include pop culture references
54%
Use anime/manga-related terms
Unique Japanese Password Patterns
Japanese users exhibit distinctive password behaviors influenced by pop culture, traditional values, and technological sophistication.
🎌 Anime & Manga Culture
Japan's anime and manga culture dominates password choices across generations:
- 21 naruto123
- 22 onepiece1
- 23 pokemon123
- 24 sakura2024
- 25 dragonball
🏙️ City & Regional Pride
Japanese urban centers and regions create predictable geographic password patterns:
- 26 tokyo123
- 27 osaka2024
- 28 kyoto123
- 29 yokohama1
- 30 nagoya123
🏯 Traditional & Historical
Japanese traditional culture and history feature prominently in weak passwords:
- 31 samurai123
- 32 ninja2024
- 33 bushido1
- 34 shogun123
- 35 geisha123
🎮 Gaming Culture
Japan's gaming industry creates predictable password patterns among users:
- 36 nintendo123
- 37 mario2024
- 38 zelda123
- 39 sonic123
- 40 pikachu1
Japan-Specific Password Vulnerabilities
Methodology: This analysis focuses exclusively on password patterns unique to Japanese culture and society. For common global passwords that are also frequently used in Japan, please refer to our Global Password Analysis which covers universal weak patterns like "123456", "password", and "qwerty".
The rankings below represent the 30 most common Japan-specific password patterns found in breach data, reflecting cultural references and linguistic patterns unique to Japanese users.
| Rank | Password | Category | Cultural Context | Risk Level |
|---|---|---|---|---|
| 1 | naruto123 | Anime/Manga | Popular ninja manga series | Critical |
| 2 | onepiece1 | Anime/Manga | Top manga series globally | High |
| 3 | pokemon123 | Gaming/Anime | Global Japanese franchise | High |
| 4 | sakura2024 | Cultural Symbol | Cherry blossoms - national symbol | High |
| 5 | dragonball | Anime/Manga | Iconic manga/anime series | High |
| 6 | tokyo123 | Geographic | Capital and largest city | High |
| 7 | osaka2024 | Geographic | Major commercial center | High |
| 8 | kyoto123 | Geographic | Ancient capital and cultural center | Medium |
| 9 | yokohama1 | Geographic | Second largest city | Medium |
| 10 | nagoya123 | Geographic | Major industrial city | Medium |
| 11 | samurai123 | Traditional Culture | Historical warrior class | High |
| 12 | ninja2024 | Traditional Culture | Historical covert agents | High |
| 13 | bushido1 | Traditional Philosophy | Way of the warrior | Medium |
| 14 | shogun123 | Historical | Military dictator title | Medium |
| 15 | geisha123 | Traditional Culture | Traditional female entertainers | Medium |
| 16 | nintendo123 | Gaming Culture | Iconic Japanese gaming company | High |
| 17 | mario2024 | Gaming Character | Nintendo's mascot character | High |
| 18 | zelda123 | Gaming Franchise | Popular Nintendo game series | Medium |
| 19 | sonic123 | Gaming Character | Sega's mascot character | Medium |
| 20 | pikachu1 | Gaming/Anime | Pokémon franchise mascot | High |
| 21 | goku123 | Anime Character | Dragon Ball protagonist | Medium |
| 22 | luffy2024 | Anime Character | One Piece protagonist | Medium |
| 23 | sasuke123 | Anime Character | Naruto series character | Medium |
| 24 | kawaii123 | Cultural Concept | "Cute" culture phenomenon | Medium |
| 25 | harajuku1 | Cultural District | Tokyo fashion district | Medium |
| 26 | senpai123 | Social Hierarchy | Respectful term for seniors | Low |
| 27 | otaku2024 | Pop Culture | Anime/manga fan culture | Medium |
| 28 | manga123 | Cultural Medium | Japanese comic books | Medium |
| 29 | ramen123 | Food Culture | Popular Japanese dish | Low |
| 30 | sushi2024 | Food Culture | Internationally known Japanese cuisine | Low |
🛡️ Security Recommendations for Japanese Users
❌ Avoid These Patterns:
- Anime/manga character names + numbers
- Japanese city names + years
- Gaming franchise references
- Traditional cultural terms
- Pop culture phenomena (kawaii, otaku)
- Food culture references
- Historical figures/concepts
- Global common passwords
✅ Better Alternatives:
- Use international phrases unrelated to Japanese culture
- Avoid pop culture references in passwords
- Mix languages from different cultures
- Include symbols throughout password
- Use password manager for unique passwords
- Enable two-factor authentication
- Make passwords 12+ characters minimum
- Avoid predictable cultural references