Macau a special administrative region belonging to The People's Republic of China has a population density of 18,196 people to every square kilometre [47,128 per sq mile].
As far as autonomous countries go, the principality of Monaco has 16,794 people per km2 [43,496 per sq mile].
Israel is the country with the most PHD Educated people per capita
Denmark
Greece
Spain ,by far.
Japan, at 23 per capita per the Japan Vending Machine Association
Texas has the most interstate highway miles with 3,233.45 miles. . California has the second most with 2,455.74 miles.
Israel is the country with the most PHD Educated people per capita
China
Madagascar
Slovenia
Norway
Denmark
luxemboug has the most michelin star resturants per capita
Norway
Japan
Vietnam
iceland