Top Government Websites in Japan

Name: Top websites in Japan (Government)
Creator: Semrush
License: https://sem2.heaventechit.com/company/legal/terms-of-service/

Based on data from the Semrush Traffic Analytics tool, this page reveals the most visited websites. We will be updating this list on a monthly basis, so you can keep track of all the market shifts and spot changes in user interest.

Most Visited Government Websites in Japan, Updated May 2026

May 2026

Domain

Visits

Desktop share

Mobile share

MoM

YoY

Main Traffic Source

weathernews.jp

96.23M

10.24%9.85M

89.76%86.38M

↓0.79%

↑11.94%

Direct

japanpost.jp

56.95M

14.24%8.11M

85.76%48.84M

↑6.76%

↓19.4%

Direct

jra.go.jp

26.89M

18%4.84M

82%22.05M

↑37.7%

↓0.75%

Direct

mhlw.go.jp

25.46M

23.64%6.02M

76.36%19.44M

↑4.22%

↓16.33%

Search

tokyo.lg.jp

11.66M

24.34%2.84M

75.66%8.82M

↓6.15%

↓4.05%

Search

mlit.go.jp

11.34M

26.37%2.99M

73.63%8.35M

↑8.15%

↓17.17%

Direct

athome.co.jp

9.81M

25.7%2.52M

74.3%7.29M

↓12.21%

↓12.63%

Direct

lawson.co.jp

8.54M

9.78%835.21K

90.22%7.7M

↑14.22%

↑6%

Search

yokohama.lg.jp

7.53M

13.45%1.01M

86.55%6.52M

↑4.31%

↓6.04%

Direct

kotobank.jp

7.45M

32.56%2.42M

67.44%5.02M

↑6.35%

↓17.38%

Search

nikkeibp.co.jp

6.61M

21.72%1.44M

78.28%5.18M

↓6.07%

↓31.54%

Search

nta.go.jp

6.37M

56.04%3.57M

43.96%2.8M

↓25.28%

↓27.86%

Search

city.nagoya.jp

5.86M

8.39%491.99K

91.61%5.37M

↑3.06%

↓1.64%

Direct

rsch.jp

5.18M

18.54%960.29K

81.46%4.22M

↑12.58%

↓21.05%

Direct

moj.go.jp

4.54M

51.37%2.33M

48.63%2.21M

↑7.15%

↓8.61%

Direct

mext.go.jp

4.2M

30.43%1.28M

69.57%2.92M

↓16.59%

↓11.46%

Direct

osaka.lg.jp

3.78M

21.14%799.23K

78.86%2.98M

↓13.28%

↓19.43%

Search

fukuoka.lg.jp

3.75M

20.61%772.95K

79.39%2.98M

↑33.23%

↓10.5%

Search

saitama.lg.jp

3.7M

15.71%581.3K

84.29%3.12M

↑8.54%

↓4.55%

Direct

ndl.go.jp

3.7M

44.58%1.65M

55.42%2.05M

↑2.01%

↓21.57%

Search

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Key Insights on Top Government Websites in Japan on May 2026

As of May 2026, weathernews.jp leads Government in Japan with 96.23M monthly visits. Its audience skews mobile-first (10.24% desktop / 10.24% mobile), and traffic is down month over month -0.79% and up year over year 11.94%. japanpost.jp holds second with 56.95M visits and a mobile-leaning mix (14.24% desktop / 85.76% mobile), while jra.go.jp ranks third with 26.89M visits.

Across the leaders, ja.cat is the most mobile-first (99.71% of visits), whereas nta.go.jp is the most desktop-reliant (56.04%). Momentum favors library.tama.tokyo.jp in the latest month (108.65%), while jma-net.go.jp shows the steepest pullback.

Acquisition patterns also differ: weathernews.jp is driven primarily by search, weathernews.jp by direct, and weathernews.jp by referral; overall, 39 of the top 100 sites are direct-led, 59 are search-led, and 2 lean on social.

These insights come from the Traffic & Market Toolkit, enriched with extensive clickstream data.

Our AI algorithms analyze petabytes of information from a blend of proprietary and external data pools, reflecting the online activities of over 200 million anonymized users.

For more detailed information on our data-gathering and analysis process, please visit our information page here.

Top Government Websites in Japan