Metro newspaper in Moscow recently published an article with some interesting facts about Moscow. According to the article, Moscow:
. . . is the largest city in Europe. (Eleven-and-a-half million is the official statistic.)
. . . is the most expensive city in Europe for foreigners. It is the 4th most expensive city in the world.
. . . residents spend the longest time in traffic jams. (Two-and-a-half hours is the average traffic jam.)
. . . has the busiest subway in Europe (6.43 million passengers/day).
. . . has the largest number of billionaires in the world. The 79 richest are worth a combined $375 billion.
. . . has the largest concentration of police in the world (946 per 100,000).
. . . scored 70th place (out of 140 cities) for quality of life.
. . . ranked 201st out of 215 cities for sanitary and health conditions.
The article can be found here (in Russian).