The Graphic Truth: How do Azerbaijan and Armenia stack up?

Heavy fighting between Azeris and Armenians over the contested Nagorno-Karabakh region, which broke out in late September after years of mostly low-level clashes, has intensified in recent days. Nagorno-Karabakh, which is internationally recognized as Azerbaijani territory but controlled by ethnic Armenian separatists, has long been a regional flashpoint: a years-long war between the two sides in the 1990s led to at least 30,000 deaths and displaced more than 1 million people. So how do the two nation states locked in this enduring conflict stack up against the other? We take a look.