Number of Main Battle Tanks per 100k people in Europe
The map below shows amount of tanks per 100 thousand people.

Number of Main Battle Tanks (MBT) per 100k = ( no. of MBTs / population ) * 100 000
Countries in gray have no data on GFP.com.
Countries colored in blue have zero tanks as of 2017.
Some of the Balkan countries have a large number of T-55 tanks (and equivalent), which are mostly obsolete in modern tank vs. tank combat, but still, have tactical value.
Other interesting contenders from around the world:
USA: 1.8
China: 0.47
India: 0.33
Pakistan: 1.49
North Korea: 19.78
Syria: 24.54
Israel: 31.48
Jordan: 16.77
Saudi Arabia: 3.49
By the end of the Cold War the Netherlands had 900+ MBT’s. Now: zero.
Will lease 18 German Leopard tanks, part a joint armor unit.