1.
registered person; registrant
A person who has officially registered for something, such as a service, program, or system.
登録者全員にメールを送る。
We'll send an email to all registered persons.
新規登録者には割引がある。
There is a discount for new registrants.
このサービスの登録者数は年々増加している。
The number of registered users of this service is increasing year by year.
2.
subscriber; follower
In the context of online platforms, especially YouTube, a person who has subscribed to a channel or account.
登録者数が百万人を超えた。
The subscriber count exceeded one million.
人気のチャンネルは登録者がどんどん増える。
Popular channels gain subscribers rapidly.
この動画を気に入ったら、チャンネル登録者になってください。
If you liked this video, please become a subscriber to our channel.
Formed from 登録 (registration) and the suffix 者 (person). Widely used in both administrative and internet contexts.
COMMON COLLOCATIONS:
- 登録者数: number of registered users/subscribers
- 新規登録者: new registrant/subscriber
- チャンネル登録者: channel subscriber (YouTube)
- 登録者限定: limited to registered users
- 登録者一覧: list of registered persons
USAGE:
In everyday internet Japanese, 登録者 most commonly refers to YouTube subscribers. The full phrase チャンネル登録者数 (channel subscriber count) is a standard metric for measuring a creator's popularity.
SIMILAR WORDS:
- 会員: member — implies membership in an organization, not just registration
- フォロワー: follower — used for social media platforms like Twitter/Instagram, while 登録者 is preferred for YouTube