Question

Table structure

id(int)
dated_on(datetime)
(many_more)

Table having thousands of data grouped by id.

I want result as id, count of that id, 
also count of id having date difference is week.(i.e. count of data last week)

Answer 1

select
id,
count(id) as cnt,
sum(if(now() - interval 7 day <= dated_on,1,0)) as lastweek
from table
group by id