1.
registered person; registrant
A person who has officially registered for something, such as a service, program, or system.
2.
subscriber; follower
In the context of online platforms, especially YouTube, a person who has subscribed to a channel or account.
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.