FYI: Now that emerging markets have become an accepted destination for many investors, some are looking to the next level: frontier markets. Those are countries that are considered a little less developed than emerging markets as far as their stock markets, but not all frontier-markets funds are the same. Most of them do own smaller emerging markets as well as frontier markets, but there are differences.
Regards,
Ted
https://www.morningstar.com/videos/931653/frontiermarkets-funds-can-range-far-and-wide.html