The simplest way to track users and to integrate Google Analytics reports on your Wordpress website is to install Google Analytics Dashboard for Wordpress.
Using this Wordpress plugin you can display real-time stats and other stats like: number of visits, number of visitors, bounce rates, organic searches, pages per visit directly on your Admin Dashboard.
This plugin also enables you to insert the standard Google Analytics tracking code on all your WordPress page, to track events, to track custom dimensions and to insert your own custom code,
You can display stats in a widget and/or basic statistics at the end of each article in your WordPress website.
In-depth per post and/or page analytics reports are also available in Posts List and Pages List, in site's backend.