Google search behaviour in Japan shows a mix of daily utility, ecommerce, news, and fast-rising AI interest. Over the past year, 天気 (weather) was the top Google search query in Japan, followed by youtube, 楽天 (Rakuten), google, and ヤフー (Yahoo Japan).
The list below shows top Google queries in Japan for the past year, based on Google Trends query data. Search interest direction is shown as rising or falling, alongside the reported percentage change.

| Rank | Query | English meaning | Search interest | Change |
|---|---|---|---|---|
| 1 | 天気 | Weather | Rising | +10% |
| 2 | youtube | YouTube | Rising | +6% |
| 3 | 楽天 | Rakuten | Falling | -5% |
| 4 | Rising | +1% | ||
| 5 | ヤフー | Yahoo Japan | Falling | -10% |
| 6 | amazon | Amazon | Falling | -4% |
| 7 | yahoo | Yahoo | Falling | -10% |
| 8 | ニュース | News | Falling | -20% |
| 9 | 翻訳 | Translation | Rising | +4% |
| 10 | ai | AI | Rising | +90% |
Weather remains Japan’s most searched everyday topic, reflecting how frequently people check forecasts for commuting, school, travel, and seasonal conditions. Platform and portal searches such as YouTube, Google, Yahoo, and Yahoo Japan also remain prominent, showing how many users still navigate the web through branded searches.
The sharpest growth is for ai, which rose by 90% over the period. This suggests that AI tools and AI-related information have become much more mainstream among Japanese search users.