Login to analytics.google.com using your Gmail ID & Password
Login IDType Login ID
Password**********
On the left side bottom, click on "Admin" tab or "Gear Icon"
Under Admin > Accounts Clicks on "User Management"
Click on the + button to add new user/admin
Once you clicked on + button you will see two options, click on "Add users"
You will then be redirected to Add Permission page. Enter the gmail address of the user you wish to give access to & click on all boxes to give full admin access.
Note – Analytics access can be given only to Gmail users
After adding the all details click on "Add" button to make give access to user for analytics account
The user will get an email that he got the analytics access.
Google Analytics Admin Access Steps