The latest airline seats are getting slimmer due to trends in design, materials and construction. And thinner seats can mean you actually have more room for your knees…the real squeeze these days isn’t at your knees, it’s at your elbows.

Unless you’re a religious scrutiniser of online seat maps, you might not spot that some airlines — even the expensive ones on your business travel agenda — are cramming one extra passenger in every row on some of their larger planes…The extra space to fit a tenth seat came from chopping an inch and a half from each seat — now some of the narrowest in the world, down from 18.5 inches — and the aisles.