Japanese有村治子（自由民主党 参議院議員・全国比例） is on Twitter (X) as @Arimura_haruko, with 177,271 followers and 1,780 posts. A typical post draws 6.3K interactions, an engagement rate of 3.55% per follower. It has been on X since June 2017, an account age of 9 years.
Engagement
A typical post picks up 6.3K interactions against 177K followers, an engagement rate of 3.55%. Measured over 8 original posts, its engagement rate beats 99% of 20,444 tracked accounts of a similar size. Comparing inside a size band matters here: engagement rate falls as accounts grow, so a raw rate would mostly just re-measure the follower count. Posts are seen about 63K times each, and 9.89% of those impressions turn into an interaction. That is about 35.7% of the follower count, which is the gap between an audience on paper and an audience in a timeline.
Measured over 8 original posts from a 30-day window, last computed on October 19, 2026. Recurring tags: #ノーベル化学賞受賞, #有村治子参議院予算委員長, #硤合憲三先生.
Full engagement reportFollower growth
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Bio
令和7年夏の参議院選挙 比例(全国)区で47都道府県の皆様に「有村」と投票頂き、現在5期目。参議院 予算委員長。初代女性活躍担当大臣・行政改革担当大臣、自民党政審会長・両院議員総会長・総務会長等を歴任。しっかりとした国家観と地に足のついた生活感を併せ持って、命の重み・地域や家族の絆・国家の尊厳を守ります。
Notable followers
The biggest accounts in our directory following @Arimura_haruko.
有村治子（自由民主党 参議院議員・全国比例） on Twitter (X) - frequently asked questions
- What is the Twitter handle for 有村治子（自由民主党 参議院議員・全国比例）?
- 有村治子（自由民主党 参議院議員・全国比例） posts on Twitter (X) as @Arimura_haruko. The profile is at x.com/Arimura_haruko, and the View on X button at the top of this page opens it.
- How many followers does 有村治子（自由民主党 参議院議員・全国比例） have on Twitter?
- 有村治子（自由民主党 参議院議員・全国比例） (@Arimura_haruko) has 177,271 followers on Twitter (X). The count is refreshed continuously from public data.
- When did 有村治子（自由民主党 参議院議員・全国比例） join Twitter?
- 有村治子（自由民主党 参議院議員・全国比例） joined Twitter (X) in June 2017. The @Arimura_haruko account is 9 years old. Searches for 有村治子（自由民主党 参議院議員・全国比例） age often mean a personal age, which we do not publish. The figure here is the account age only.