Answer:
Explanation:
Rank[Note 1]
Country
(or dependent territory)
Official population
Date
Regional grouping
Source
1
Russia[Note 2]
146,877,088
January 1, 2018
EAEU
Official Estimate
2
Germany
82,887,000
June 30, 2018
EU
Official estimate
3
Turkey
82,003,882
December 31, 2018
Official estimate
4
France[Note 3]
67,372,000
November 1, 2018
EU
Monthly official estimate
5
United Kingdom[Note 4]
66,040,229
June 30, 2017
EU
Official annual estimate
6
Italy
60,390,560
September 30, 2018
EU
Monthly official estimate
7
Spain
46,733,038
July 1, 2018
EU
Official estimate
8
Ukraine[Note 5]
42,220,824
October 1, 2018
DCFTA
Monthly official estimate
9
Poland
38,433,600
December 31, 2017
EU
Official estimate
10
Romania
19,523,621
January 1, 2018
EU
Official annual estimate
11
Kazakhstan
18,356,900
November 1, 2018
EAEU
Official estimate
12
Netherlands
17,305,660
March 31, 2019
EU
Official population clock
13
Belgium
11,449,656
November 1, 2018
EU
Monthly official estimate
14
Greece
10,768,193
January 1, 2017
EU
Official estimate
15
Czech Republic
10,627,794
September 30, 2018
EU
Official quarterly estimate
16
Portugal
10,291,027
December 31, 2017
EU
Official annual estimate
17
Sweden
10,215,250
October 31, 2018
EU
Official monthly estimate
18
Azerbaijan
10,000,000
January 1, 2019
Official estimate
19
Hungary
9,771,000
January 1, 2018
EU
Official annual estimate
20
Belarus
9,477,100
October 1, 2018
EAEU
Official quarterly estimate
21
Austria
8,857,960
October 1, 2018
EU
Quarterly provisional figure
22
Switzerland
8,526,932
September 30, 2018
EFTA
Official provisional figure
23
Bulgaria
7,000,039
December 31, 2018
EU
Official estimate
24
Serbia[Note 6]
6,963,764
January 1, 2019
Official annual estimate
25
Denmark
5,806,015
October 1, 2018
EU
Official quarterly estimate
26
Finland
5,522,015
November 30, 2018
EU
Monthly official estimate
27
Slovakia
5,445,087
June 30, 2018
EU
Official estimate
28
Norway
5,323,933
October 1, 2018
EFTA
Official quarterly estimate
29
Ireland
4,857,000
April 1, 2018
EU
Official estimate
30
Croatia
4,105,493
December 31, 2017
EU
Official estimate
31
Georgia[Note 7]
3,729,600
January 1, 2018
DCFTA
Official annual estimate
32
Bosnia and Herzegovina
3,511,372
June 30, 2016
Official estimate
33
Armenia
2,969,200
September 30, 2018
EAEU
Official quarterly estimate
34
Albania
2,870,324
January 1, 2018
Official annual estimate
35
Lithuania
2,791,903
January 1, 2019
EU
Monthly official estimate
36
Moldova
2,681,735
January 1, 2019
DCFTA
Official estimate
37
North Macedonia
2,075,301
December 31, 2017
Official estimate
38
Slovenia
2,070,050
July 1, 2018
EU
Official estimate
39
Latvia
1,921,300
December 1, 2018
EU
Monthly official estimate
40
Kosovo[Note 8]
1,798,506
December 31, 2017
Official annual estimate
41
Estonia
1,319,133
January 1, 2018
EU
Official estimate
42
Cyprus
864,200
December 31, 2017
EU
Official annual estimate
43
Montenegro
622,359
January 1, 2018
Official estimate
44
Luxembourg
602,005
January 1, 2018
EU
Official estimate
45
Malta
475,701
December 31, 2017
EU
Official estimate
46
Iceland
355,620
September 30, 2018
EFTA
Official quarterly estimate
Jersey (UK)
105,500
December 31, 2017
Official estimate
Isle of Man (UK)
83,314
April 24, 2016
2016 census result
47
Andorra
74,794
December 31, 2017
Official estimate
Guernsey (UK)
62,063
December 31, 2017
Official estimate
Faroe Islands (Denmark)
51,237
November 1, 2018
Monthly official estimate
48
Monaco
38,300
December 31, 2017
Official annual estimate
49
Liechtenstein
38,201
June 30, 2018
EFTA
Official semi annual estimate
Gibraltar (UK)
33,573
December 31, 2015
EU
Official estimate
50
San Marino
33,407
November 30, 2018
Official monthly estimate
Åland Islands (Finland)
29,489
December 31, 2017
EU
Official estimate
51
