Our 2007 Itasca has one, but I've noticed the trend to no spare in cars, too. Our 2008 Volvo has a spare (one of those little temporary things), but, when we bought it used, another Volvo on the lot, one year newer, hadn't offered one stock. The previous owner had chosen the optional spare - but it took up most of the trunk!
Early this year, I bought a 2016 Volvo, and it came with a bottle of goop to spray into the tire (for fixing a leak) and a little battery-powered air compressor to pump it up - all looking very lonely in a space under the back clearly large enough to hold a temporary spare.
But, in the several years between buying the 2008 and the 2016, I got to thinking about the last time I had to deal with a flat tire, compared to the frequency with which I had to do so in my youth. It's been quite a while.