Linux : Find the top 10 directories containing largest number of files/directories in sorted order

Command Combination:

find -xdev -type d -print0 | while IFS= read -d '' dir; do echo "$(find "$dir" -maxdepth 1 -print0 | grep -zc .) $dir" ;done | sort -rn | head -10

Example:

find /opt -xdev -type d -print0 | while IFS= read -d '' dir; do echo "$(find "$dir" -maxdepth 1 -print0 | grep -zc .) $dir" ;done | sort -rn | head -10