有本 香 Kaori Arimoto engagement report
@arimoto_kaori - 664K followers on X
Measured over 35 original posts from a 30-day window, last computed on October 4, 2026.
Engagement
A typical post picks up 3.4K interactions against 664K followers, an engagement rate of 0.512%. Measured over 35 original posts, its engagement rate beats 92% 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 123K times each, and 2.77% of those impressions turn into an interaction. That is about 18.5% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 4.8 posts a day over the last 30 days, though only 43% of days saw any activity at all. Most posts go out around 10:00 UTC, and Thursday is the busiest day of the week. Of the 35 posts sampled, 49% carry an image or video and 20% link out. The account's strongest tracked post pulled 41K interactions, about 12x its own typical post. Recurring topics include #あさ8, #日本保守党, #nhk_news.
Measured over 35 original posts from a 30-day window, last computed on October 4, 2026. Recurring tags: #あさ8, #日本保守党, #nhk_news.
Compared with accounts its own size
有本 香 Kaori Arimoto's engagement rate beats 92% of the tracked X accounts closest to it in follower count (20,444 accounts, accounts of similar size (decile 10 of 10)). A percentile is spread evenly by construction, so 50 really is the middle of that group and 90 really is its top tenth.
On engagement per impression rather than per follower it beats 76% of the same group. When those two numbers disagree, the gap is about how far its posts travel rather than how people react to them.
Where this sits in the catalog
At 0.512%, 有本 香 Kaori Arimoto sits above the 50th percentile of the 204,798 accounts in this comparison. That places it in the above the median band, which runs 0.143% to 0.678%.
Show the percentile table
| Percentile | Engagement rate |
|---|---|
| 10th percentile | 0.004% |
| 25th percentile | 0.024% |
| 50th percentile | 0.143% |
| 75th percentile | 0.678% |
| 90th percentile | 2.55% |
| 99th percentile | 82.4% |
This ruler is the whole measured catalog, not a size-matched group: it shows where the raw rate falls across every account we can measure, all of which are large. For a like-for-like comparison, read the size-band percentile above instead. See how the bands are built
Posting timing
This account posts most often around 10:00 UTC, and Thursday is its busiest day of the week. The bars below are the catalog-wide pattern, with this account's own busiest slot marked. They do not show how this account performs at each hour: we keep one aggregate per account, not one per hour, so that measurement does not exist in our data.
Show engagement by hour posted, utc as a table
| Hour (UTC) | Vs author median | Posts |
|---|---|---|
| 00:00 UTC | -1% | 89K |
| 01:00 UTC | -2% | 90K |
| 02:00 UTC | -3% | 88K |
| 03:00 UTC | -4% | 94K |
| 04:00 UTC | -5% | 76K |
| 05:00 UTC | -4% | 75K |
| 06:00 UTC | -5% | 86K |
| 07:00 UTC | -5% | 93K |
| 08:00 UTC | -4% | 108K |
| 09:00 UTC | -4% | 124K |
| 10:00 UTC | -3% | 129K |
| 11:00 UTC | -3% | 141K |
| 12:00 UTC | -3% | 154K |
| 13:00 UTC | -3% | 167K |
| 14:00 UTC | -4% | 173K |
| 15:00 UTC | -2% | 176K |
| 16:00 UTC | -3% | 171K |
| 17:00 UTC | -3% | 159K |
| 18:00 UTC | -2% | 149K |
| 19:00 UTC | -2% | 141K |
| 20:00 UTC | -1% | 131K |
| 21:00 UTC | 0% | 116K |
| 22:00 UTC | -2% | 100K |
| 23:00 UTC | -1% | 90K |
Show engagement by day of week as a table
| Day | Vs author median | Posts |
|---|---|---|
| Sunday | +5% | 393K |
| Monday | +1% | 483K |
| Tuesday | -2% | 520K |
| Wednesday | -3% | 472K |
| Thursday | -2% | 430K |
| Friday | -3% | 447K |
| Saturday | +2% | 393K |
Formats this account uses
Its own posting mix on the left, and what each of those formats does across every account we track on the right. Only formats where the effect clears our publish test appear here, so an empty row is a format we could not measure rather than one that does nothing.
| Format | This account | Catalog effect | 95% interval | Accounts behind it |
|---|---|---|---|---|
| Image or video | 49% of posts | +111% | +108% to +115% | 34K |
| Outbound link | 20% of posts | -41% | -42% to -40% | 32K |
| Typical length | - | -3% | -3% to -2% | 54K |
- 49% of this account's sampled posts carry an image or video. Across the catalog, posts with an image or video run 111% above the same accounts' other posts.
- 20% of its posts carry a link off X. Across the catalog, posts with an outbound link run 41% below the same accounts' other posts.
- Its average post runs 135 characters, which falls in the 80 - 180 characters band. Across the catalog, posts of 80 to 180 characters run 3% below the same accounts' other posts.
These are catalog-wide differences applied to this account's own posting mix, not a measurement of how each format performs for this account specifically. We keep one median per account, not one per format per account, so the second thing is not something this data can tell you.
Best tweets
- Sep 29, 202212x their median
【お知らせ】 有本 香は、虎ノ門ニュース出演後の移動中に交通事故に遭い、救急搬送されました。命に別条はありませんが、今夕18時からの『ウイグル証言集会』への登壇につきましては、医師と相談の上、決定、後ほどお知らせします。
- Aug 25, 202611x their median
シンガポールの政策が凄いと話題に。 17歳までに約870万円の子育て支援を「自国民の子供だけ」に限定して発表。 他国籍は完全除外! 日本も子ども家庭庁なんか廃止して 「日本人の子供だけ」に本気で金出して 外国籍は対象外でいいだろう。 少子化対策はまず自国民から。 シンガポールを学べよ。 https://t.co/ekwYKRnrn7
- Oct 2, 20269.0x their median
🇫🇷フランスが大変だ。 移民とその子どもたちが学校を焼き払っている。 教師や警察官までもが襲われている。 現場は移民・移民二世の多い郊外に集中している。 これは他人事ではない。 日本も受け入れの蛇口を閉めないとこうなるぞ。 https://t.co/ET5BkYoGTx
- Aug 22, 20267.1x their median
神田川まじやばいよ、こんなの私見たことない、、、 https://t.co/4DvuvQtU9M
- Oct 3, 20266.6x their median
今日の銀座中央通り。 伊東屋の前にズラーっと座る人々。全員外国人。中には座り込んで何かを食べている人も。 やれやれ。 https://t.co/d4HdE5JwC3
- Jul 1, 20245.8x their median
✨お知らせ✨ ✫有本 香Channel+✫ を開設しました。明日の20時が初の生放送です。 ニコ生【有本 香Channel】がサイバー攻撃により停止されたためこちらで新たな出発。なお7月分は「ニコニコチャンネル」「ニコニコチャンネルプラス」ともにユーザー会費は発生しません。 https://t.co/Xrtfe6cb8e
- Sep 1, 20265.2x their median
【ご心配をおかけしありがとうございました】 だいぶ回復し、朝ごはんも食べられたようなので、これから秘書が随行して通院します。 私は森健太郎支部長と共にお見送り。と思ったら、代表から法案作成に関し新たな指示が出ましたので、午後に北村先生に相談します。 https://t.co/H8gcaca3Jt
- Aug 30, 20264.7x their median
整形外科医をやっていると「ヒトの耐用年数」って結局60年くらいなんだなぁ、とつくづく感じる。耐用年数を10年、20年と超える毎に故障箇所がどんどん増える。パーツを新品交換(人工関節)しても結局他の部位に歪みが生じる。医療技術が進歩し、寿命が延びれば延びるほど、ポンコツ人間が増えて行く…
- Aug 25, 20264.7x their median
下地幹郎は今日、沖縄を前に進めるたえに、大きな決断をいたしました。 https://t.co/KXVYOKwcz7
- Aug 31, 20264.2x their median
手術終わった… めちゃくちゃきつかった。 予想していたよりずっと辛かった。 今日は多分ずっと眼帯…
Ranked by total interactions across everything we have tracked for this account, which is a longer history than the 30-day window the rates above use. The multiple compares each post to this account's own median.
Recurring topics
The most frequent hashtags in the sampled posts. They describe what this account writes about; they are not a performance signal, and the catalog-wide breakdown on the hub shows how little hashtag count moves.
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Reading these numbers
A typical post picks up 3.4K interactions against 664K followers, an engagement rate of 0.512%. Measured over 35 original posts, its engagement rate beats 92% 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 123K times each, and 2.77% of those impressions turn into an interaction. That is about 18.5% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 4.8 posts a day over the last 30 days, though only 43% of days saw any activity at all. Most posts go out around 10:00 UTC, and Thursday is the busiest day of the week. Of the 35 posts sampled, 49% carry an image or video and 20% link out. The account's strongest tracked post pulled 41K interactions, about 12x its own typical post. Recurring topics include #あさ8, #日本保守党, #nhk_news.
- What is 有本 香 Kaori Arimoto's engagement rate on X?
- 有本 香 Kaori Arimoto (@arimoto_kaori) has an engagement rate of 0.512%, based on the median interactions across 35 original posts from the last 30 days against 663,894 followers. Replies, reposts and quote-posts of other people are excluded from that sample.
- Is that a good engagement rate?
- At 0.512%, 有本 香 Kaori Arimoto sits above the 50th percentile of the 204,798 accounts in this comparison. Those comparison accounts are all large ones, because our scanning cadence is weighted towards big accounts, so this is a ranking among peers of similar scale rather than a ranking across X.
- Does @arimoto_kaori have real engagement?
- Its engagement rate beats 92% of the tracked X accounts closest to it in follower count (20,444 accounts), which puts it in the top 10% for its size group. Ranking inside a size band matters because engagement rate falls as accounts grow, so a raw rate would mostly re-measure the follower count. It is a starting point for a look at follower quality, not a verdict on it.
- When does @arimoto_kaori post?
- Most posts go out around 10:00 UTC, and Thursday is its busiest day, at roughly 4.77 posts per day across the measured window.