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back number staff engagement report

@backnumberstaff - 591K followers on X

Measured over 33 original posts from a 30-day window, last computed on August 26, 2026.

Engagement

Top 10% for its size
Per follower
0.44%
of 591K followers
Per impression
1.96%
133K views on a typical post
Reach
22.4%
of its followers see a post
Typical post
2.6K
interactions (median)
Saved
0.036%
48 bookmarks on a typical post
Posting rate
1.83/day
active 70% of days
Peak time
09:00 UTC
Tuesday

A typical post picks up 2.6K interactions against 591K followers, an engagement rate of 0.44%. Measured over 33 original posts, its engagement rate beats 91% of 3,899 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 133K times each, and 1.96% of those impressions turn into an interaction. That is about 22.4% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 1.8 posts a day over the last 30 days, with activity on roughly 70% of days. Most posts go out around 09:00 UTC, and Tuesday is the busiest day of the week. Of the 33 posts sampled, 79% carry an image or video, 9% are part of a thread and 73% link out. The account's strongest tracked post pulled 14K interactions, about 5.4x its own typical post. Recurring topics include #backnumber, #oneroom, #backnumberアジアツアー.

Measured over 33 original posts from a 30-day window, last computed on August 26, 2026. Recurring tags: #backnumber, #oneroom, #backnumberアジアツアー.

Compared with accounts its own size

back number staff's engagement rate beats 91% of the tracked X accounts closest to it in follower count (3,899 accounts, accounts of similar size (decile 8 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 70% 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 0.44%, back number staff sits above the 75th percentile of the 37,856 accounts in this comparison. That places it in the top 25% band, which runs 0.439% to 2.10%.

p100.002%
p250.012%
p50 (median)0.081%
p750.439%
p902.10%
p99155.6%
Engagement rate as a share of followers, across the 37,856 accounts we have scanned enough to measure. The axis is logarithmic, because the top and bottom of this population are about 97,248 times apart and a linear axis would flatten everything below the median into a single point.
Show the percentile table
Engagement rate percentiles
PercentileEngagement rate
10th percentile0.002%
25th percentile0.012%
50th percentile0.081%
75th percentile0.439%
90th percentile2.10%
99th percentile155.6%

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 09:00 UTC, and Tuesday 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.

Engagement by hour posted, UTCTwenty-four bars, one per UTC hour. Each bar shows how posts published in that hour compare with their own authors' median engagement. Bars above the centre line ran higher than the median, bars below ran lower. A marker flags Busiest hour: 09:00 UTC.
0003060912151821
Above the authors' own mediansBelowScale: plus or minus 6%Busiest hour: 09:00 UTC
Show engagement by hour posted, utc as a table
Engagement by hour posted, UTC
Hour (UTC)Vs author medianPosts
00:00 UTC-1%53K
01:00 UTC-2%53K
02:00 UTC-3%52K
03:00 UTC-4%55K
04:00 UTC-6%44K
05:00 UTC-4%43K
06:00 UTC-4%50K
07:00 UTC-5%54K
08:00 UTC-4%63K
09:00 UTC-3%72K
10:00 UTC-2%75K
11:00 UTC-3%81K
12:00 UTC-2%90K
13:00 UTC-2%98K
14:00 UTC-3%101K
15:00 UTC-2%105K
16:00 UTC-4%102K
17:00 UTC-3%95K
18:00 UTC-1%88K
19:00 UTC-2%83K
20:00 UTC-1%77K
21:00 UTC-1%69K
22:00 UTC-2%60K
23:00 UTC-2%53K
Engagement by day of weekSeven bars, one per weekday, Sunday first. Each bar shows how posts published on that day compare with their own authors' median engagement. Bars above the centre line ran higher than the median, bars below ran lower. A marker flags Busiest day: Tuesday.
SunMonTueWedThuFriSat
Above the authors' own mediansBelowScale: plus or minus 5%Busiest day: Tuesday
Show engagement by day of week as a table
Engagement by day of week
DayVs author medianPosts
Sunday+5%238K
Monday0%302K
Tuesday-3%302K
Wednesday-1%257K
Thursday-2%250K
Friday-3%259K
Saturday+3%233K
See what moves engagement across the whole catalogWhat counts as a good engagement rate at this size

Best tweets

  • Aug 21, 20265.4x their median

    視線(も) https://t.co/4jKlFCDt6Q

    13K867117152316K viewsView on X
  • Jun 28, 20265.3x their median

    “Grateful Yesterdays Tour 2026” in 熊本えがお健康スタジアム 5大スタジアムツアーファイナル熊本公演へお越しいただき、 ありがとうございました! 宮城から始まり、 静岡、大阪、神奈川、 そして熊本へ。 このツアーで出会えた方、遠くから応援してくださった方、支えてくださったすべてのみなさんへ、感謝の気持ちを込めて。 最後のダイジェストを少しだけ。 セットリストプレイリストも公開しましたので是非ライブで披露した楽曲をお楽しみください! 🎧https://t.co/tt7z2JmI8l Director : @takumisaitoh_ #backnumber #backnumberスタジアムツアー

    12K1.7K102140499K viewsView on X
  • Aug 8, 20263.4x their median

    TikTok LIVE Premiere 清水依与吏(back number) -Acoustic Live- ご覧いただきありがとうございました✨ #backnumber #TikTokLIVEPremiere https://t.co/75wo7mgExJ

    7.7K765292186237K viewsView on X
  • Aug 23, 20263.0x their median

    “Grateful Yesterdays Tour 2026” 【TAIPEI】Taipei Arena DAY2 THANK YOU TAIPEI !! photo by @H_and_A #backnumberアジアツアー #backnumber https://t.co/mBuVGaXz1b

    6.7K722109124178K viewsView on X
  • Aug 4, 20262.8x their median

    視線(も) https://t.co/6hhpTaKSi3

    6.8K41810050176K viewsView on X
  • Aug 22, 20262.7x their median

    視線(も) https://t.co/fD4TXHwHIH

    6.6K39340794K viewsView on X
  • Aug 24, 20262.5x their median

    “Grateful Yesterdays Tour 2026” 【TAIPEI】Taipei Arena 感謝大家🙏 讚👍👍👍 Director : @takumisaitoh_ #backnumberアジアツアー #backnumber https://t.co/ymUbpXG5pB

    5.6K7776572146K viewsView on X
  • Aug 19, 20262.5x their median

    メジャーデビュー以降のオリジナル・アルバム6作品を アナログ・レコードで12/5(土)発売決定💿 『スーパースター』 『blues』 『ラブストーリー』 『シャンデリア』 『MAGIC』🆕 『ユーモア』🆕 🔻詳細は下記をご確認ください! https://t.co/xq6YjN7UhK #backnumber https://t.co/sqyAKuXgis

    5.4K72527291385K viewsView on X
  • Aug 22, 20262.4x their median

    “Grateful Yesterdays Tour 2026” 【TAIPEI】Taipei Arena DAY1 See you tomorrow!! photo by @H_and_A #backnumberアジアツアー #backnumber https://t.co/pBi1ScWtvK

    5.5K5314849154K viewsView on X
  • Aug 25, 20262.0x their median

    「サマーワンダーランド」 from TikTok LIVE Premiere 清水依与吏(back number) -Acoustic Live- #backnumber #サマーワンダーランド #TikTokLIVEPremiere @tiktok_japan https://t.co/N8tuySMJvZ

    4.6K5111635113K viewsView on X

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

#backnumber#oneroom#backnumberアジアツアー#tiktoklivepremiere#backnumber亞洲巡演

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 2.6K interactions against 591K followers, an engagement rate of 0.44%. Measured over 33 original posts, its engagement rate beats 91% of 3,899 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 133K times each, and 1.96% of those impressions turn into an interaction. That is about 22.4% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 1.8 posts a day over the last 30 days, with activity on roughly 70% of days. Most posts go out around 09:00 UTC, and Tuesday is the busiest day of the week. Of the 33 posts sampled, 79% carry an image or video, 9% are part of a thread and 73% link out. The account's strongest tracked post pulled 14K interactions, about 5.4x its own typical post. Recurring topics include #backnumber, #oneroom, #backnumberアジアツアー.

What is back number staff's engagement rate on X?
back number staff (@backnumberstaff) has an engagement rate of 0.44%, based on the median interactions across 33 original posts from the last 30 days against 590,611 followers. Replies, reposts and quote-posts of other people are excluded from that sample.
Is that a good engagement rate?
At 0.44%, back number staff sits above the 75th percentile of the 37,856 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 @backnumberstaff have real engagement?
Its engagement rate beats 91% of the tracked X accounts closest to it in follower count (3,899 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 @backnumberstaff post?
Most posts go out around 09:00 UTC, and Tuesday is its busiest day, at roughly 1.83 posts per day across the measured window.

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