In this post, I am sharing a script to find the total count of objects for each database schemas of PostgreSQL.
If you Postgres DBA and want to do accounting on a number of total objects per schemas, you can use this script.

Using this script, you can find different types of objects count like table, view, index, sequence.

SELECT
	n.nspname as schema_name
	,CASE c.relkind
	   WHEN 'r' THEN 'table'
	   WHEN 'v' THEN 'view'
	   WHEN 'i' THEN 'index'
	   WHEN 'S' THEN 'sequence'
	   WHEN 's' THEN 'special'
	END as object_type
	,count(1) as object_count
FROM pg_catalog.pg_class c
LEFT JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace
WHERE c.relkind IN ('r','v','i','S','s')
GROUP BY  n.nspname,
	CASE c.relkind
	   WHEN 'r' THEN 'table'
	   WHEN 'v' THEN 'view'
	   WHEN 'i' THEN 'index'
	   WHEN 'S' THEN 'sequence'
	   WHEN 's' THEN 'special'
	END
ORDER BY n.nspname,
	CASE c.relkind
	   WHEN 'r' THEN 'table'
	   WHEN 'v' THEN 'view'
	   WHEN 'i' THEN 'index'
	   WHEN 'S' THEN 'sequence'
	   WHEN 's' THEN 'special'
	END;