back number staff is on Twitter (X) as @backnumberstaff, with 591,203 followers and 20,119 posts. A typical post draws 2.0K interactions, an engagement rate of 0.346% per follower. It has been on X since May 2011, an account age of 15 years.
Engagement
A typical post picks up 2.0K interactions against 591K followers, an engagement rate of 0.346%. Measured over 41 original posts, its engagement rate beats 88% 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 81K times each, and 2.53% of those impressions turn into an interaction. That is about 13.7% of the follower count, which is the gap between an audience on paper and an audience in a timeline.
Measured over 41 original posts from a 30-day window, last computed on October 9, 2026. Recurring tags: #backnumber, #backnumberアジアツアー, #oneroom.
Full engagement reportFollower growth
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Bio
back number公式|『back number"Grateful Yesterdays Tour 2026"Live at NISSAN STADIUM』ライブ音源配信中🎧 & 12/23(水) Blu-ray &DVD発売決定💿|2027年9月より”one room party vol.8”開催決定🔑
Notable followers
The biggest accounts in our directory following @backnumberstaff.
back number staff on Twitter (X) - frequently asked questions
- What is the Twitter handle for back number staff?
- back number staff posts on Twitter (X) as @backnumberstaff. The profile is at x.com/backnumberstaff, and the View on X button at the top of this page opens it.
- How many followers does back number staff have on Twitter?
- back number staff (@backnumberstaff) has 591,203 followers on Twitter (X). The count is refreshed continuously from public data.
- When did back number staff join Twitter?
- back number staff joined Twitter (X) in May 2011. The @backnumberstaff account is 15 years old. Searches for back number staff age often mean a personal age, which we do not publish. The figure here is the account age only.
