Country stats is accessible by clicking your country flag in the sidebar.
On the page there's a menu with five tabs each containing information and statistics about the Country you're currently residing in. These tabs are Society, Economy, Politics, Military and Administration. When you first arrive to the page, you'll be taken to tab Society.
At the top of any page in this menu you will see the the country selector, a link to view the country's alliance, and also a link to the country's wiki page and the country's rank.