Thanks for reaching out. Just to confirm, are you saying your subscriber count is not updated in different pages or you're not seeing the subscribers in your subscribers list? Keep us posted to help you further.
Thanks for clarifying. To confirm, subscription list only shows people who chose to make their subscriptions public & if they've subscribed to your channel in the last 28 days. More info about this here: https://yt.be/help/dNHB . Hope this helps.