Sharepoint Object Limitation

Level	Performance limits
Site collection	2,000 subsites of any site is the recommended limit. The same content database is used for an entire site collection. This may affect performance in operations such as backup and restore.
Site	2,000 libraries and lists is the recommended limit.
Library	10,000,000 documents is the recommended limit.2,000 items per view is the recommended limit.
Folder	2,000 items per folder is the recommended limit. Thanks & Regards, Dipti Chhatrapati