JapaneseBT21 Japan Official is on Twitter (X) as @BT21_Japan, with 3,466,713 followers and 3,950 posts. It lost 352 followers in the last 7 days and 634 in the last 30 days. A typical post draws 3.6K interactions, an engagement rate of 0.104% per follower.
Insights
Over the last 30 days @BT21_Japan lost 634 followers (-0.02%). In the last 7 days the change was -352 followers. Its strongest tracked day added +771 followers on Oct 4, 2026.
Engagement
A typical post picks up 3.6K interactions against 3.5M followers, an engagement rate of 0.104%. Measured over 13 original posts, its engagement rate beats 71% of 20,944 tracked accounts of a similar size, which puts it in the middle of its size range rather than at either end. Posts are seen about 95K times each, and 3.79% of those impressions turn into an interaction. That is about 2.75% of the follower count, which is the gap between an audience on paper and an audience in a timeline.
Measured over 13 original posts from a 30-day window, last computed on October 27, 2026. Recurring tags: #bt21, #cooky, #rj.
Full engagement reportFollower growth
Best tracked day: +771 followers on 2026-10-04.
Buy or sell Twitter (X) accounts - escrow-protected
PlayerSells is an escrow marketplace for Twitter (X) accounts. Every deal is protected, with no middleman risk.
Check @BT21_Japan with free tools
The same checks work on any X (Twitter) account. Free, no sign-up and no email.
Creator Rank, our free Chrome extension, shows this account's audience rank and Creator Score next to its name on X itself.
Bio
LINE FRIENDSとBTSのコラボレーションで誕生したグローバル人気キャラクター「BT21」の最新情報をお届け♪ BT21公式サイト【https://t.co/CNpqXIQ4Kw】 公式オンラインストア【https://t.co/pfGGgnKJGg】
Notable followers
The biggest accounts in our directory following @BT21_Japan.
BT21 Japan Official on Twitter (X) - frequently asked questions
- What is the Twitter handle for BT21 Japan Official?
- BT21 Japan Official posts on Twitter (X) as @BT21_Japan. The profile is at x.com/BT21_Japan, and the View on X button at the top of this page opens it.
- How many followers does BT21 Japan Official have on Twitter?
- BT21 Japan Official (@BT21_Japan) has 3,466,713 followers on Twitter (X). It lost 352 followers in the last 7 days and 634 in the last 30 days. The count is refreshed continuously from public data.
- When did BT21 Japan Official join Twitter?
- BT21 Japan Official joined Twitter (X) in October 2017. The @BT21_Japan account is 9 years old. Searches for BT21 Japan Official age often mean a personal age, which we do not publish. The figure here is the account age only.