“Sagar Samuday” (whether you mean the Śvetāmbara Tapā‑gacch Sagar Samuday or a Digambar Sagar‑paramparā) does not have a fixed, publicly documented number of sādhus‑sādhvīs that stays accurate.

• Dīkshā keeps happening (new sādhus/sādhvīs join).
• Some leave the body (samādhi), some change saṅgh.
• There is no central, regularly updated list in Jain scriptures or standard reference books.

Because of this, any exact figure I give you would almost certainly be wrong or out‑of‑date.

If you need the current number, the only reliable way is:

1. Find out the full name of the Acharya / Guru of the Sagar Samuday you are asking about.
2. Contact:

- Their official saṅgh office / karyālay, or - The local śrāvak committee that organizes their chāturmās / pravachan in your city.

1. They usually maintain an internal list of:

- How many munis, - How many āryikās / sādhvīs, - Other dikshit categories in that samuday.

So, in short: I cannot honestly give you an exact, correct number of sādhus‑sādhvīs in Sagar Samuday right now, because such numbers change and are not published in a stable way.