Mongolia vs Russia

Russia is 10.9 times larger than Mongolia. Mongolia would fit into Russia about 11 times.

MongoliaRussiaMongolia moved onto Russia · Equal-area projection
0.09×
Mongolia is 0.09× the area of Russia. Put the other way, Russia is 10.9× the size of Mongolia.
MongoliaRussia
Area1,564,116 km²17,075,400 km²
Population3,568,978143,513,328
Density2.3 / km²8.4 / km²
CapitalUlaanbaatarMoscow
RegionEastern AsiaEastern Europe
CoastlineLandlockedHas a coast
Neighbours214

Why the map you grew up with disagrees

On a Mercator map, area grows with distance from the equator. Mongolia sits at about 47°N and is stretched to 2.15× its true area; Russia at 66° N is stretched to 6.06×. That difference is why Russia looks so much bigger than it is next to Mongolia. The figure above uses the Equal Earth projection, where every square kilometre is drawn the same size.

Questions about this pair

Is Mongolia bigger than Russia?
No. Mongolia is 10.9 times smaller than Russia. Mongolia covers 1,564,116 km² and Russia covers 17,075,400 km².
How many times does Mongolia fit into Russia?
About 11 times: Russia has 10.9× the area of Mongolia.
Why do Mongolia and Russia look different on Google Maps?
Web maps use the Mercator projection, which stretches area with distance from the equator. Mongolia is drawn about 2.15× its true area there and Russia about 6.06×. That is why Russia looks so much bigger than it really is next to Mongolia. Kartavera uses Equal Earth, where every square kilometre is drawn the same size.
Which has more people, Mongolia or Russia?
Russia: 143,513,328 people against 3,568,978. Density: Mongolia 2.3 per km², Russia 8.4 per km².