Demographic characteristics	Concern of acting online and anti-tracking software	Total
Total Persons	Total Internet users in the last 12 months	27.981.928
Total Persons	Level of concern about their online activities being monitored: very concerned	17,3
Total Persons	Level of concern about their online activities being monitored: somewhat concerned	43,8
Total Persons	Level of concern about their online activities being monitored: not at all concerned	38,8
Total Persons	Using any anti-tracking software: YES	17
Total Persons	Using any anti-tracking software: NO	83
Sex: Male	Total Internet users in the last 12 months	14.224.384
Sex: Male	Level of concern about their online activities being monitored: very concerned	15,5
Sex: Male	Level of concern about their online activities being monitored: somewhat concerned	43,5
Sex: Male	Level of concern about their online activities being monitored: not at all concerned	41
Sex: Male	Using any anti-tracking software: YES	19
Sex: Male	Using any anti-tracking software: NO	81
Sex: Female	Total Internet users in the last 12 months	13.757.543
Sex: Female	Level of concern about their online activities being monitored: very concerned	19,2
Sex: Female	Level of concern about their online activities being monitored: somewhat concerned	44,2
Sex: Female	Level of concern about their online activities being monitored: not at all concerned	36,6
Sex: Female	Using any anti-tracking software: YES	14,9
Sex: Female	Using any anti-tracking software: NO	85,1
Age: 16 to 24 years old	Total Internet users in the last 12 months	3.951.188
Age: 16 to 24 years old	Level of concern about their online activities being monitored: very concerned	9,6
Age: 16 to 24 years old	Level of concern about their online activities being monitored: somewhat concerned	49
Age: 16 to 24 years old	Level of concern about their online activities being monitored: not at all concerned	41,4
Age: 16 to 24 years old	Using any anti-tracking software: YES	19,4
Age: 16 to 24 years old	Using any anti-tracking software: NO	80,6
Age: 25 to 34 years old	Total Internet users in the last 12 months	5.391.894
Age: 25 to 34 years old	Level of concern about their online activities being monitored: very concerned	16,6
Age: 25 to 34 years old	Level of concern about their online activities being monitored: somewhat concerned	48,8
Age: 25 to 34 years old	Level of concern about their online activities being monitored: not at all concerned	34,5
Age: 25 to 34 years old	Using any anti-tracking software: YES	18,1
Age: 25 to 34 years old	Using any anti-tracking software: NO	81,9
Age: 35 to 44 years old	Total Internet users in the last 12 months	7.237.718
Age: 35 to 44 years old	Level of concern about their online activities being monitored: very concerned	18,2
Age: 35 to 44 years old	Level of concern about their online activities being monitored: somewhat concerned	43,6
Age: 35 to 44 years old	Level of concern about their online activities being monitored: not at all concerned	38,2
Age: 35 to 44 years old	Using any anti-tracking software: YES	17,5
Age: 35 to 44 years old	Using any anti-tracking software: NO	82,5
Age: 45 to 54 years old	Total Internet users in the last 12 months	6.154.341
Age: 45 to 54 years old	Level of concern about their online activities being monitored: very concerned	19,5
Age: 45 to 54 years old	Level of concern about their online activities being monitored: somewhat concerned	42,8
Age: 45 to 54 years old	Level of concern about their online activities being monitored: not at all concerned	37,8
Age: 45 to 54 years old	Using any anti-tracking software: YES	17,3
Age: 45 to 54 years old	Using any anti-tracking software: NO	82,7
Age: 55 to 64 years old	Total Internet users in the last 12 months	3.729.078
Age: 55 to 64 years old	Level of concern about their online activities being monitored: very concerned	20,9
Age: 55 to 64 years old	Level of concern about their online activities being monitored: somewhat concerned	37,2
Age: 55 to 64 years old	Level of concern about their online activities being monitored: not at all concerned	41,9
Age: 55 to 64 years old	Using any anti-tracking software: YES	13,7
Age: 55 to 64 years old	Using any anti-tracking software: NO	86,3
Age: 65 to 74 years old	Total Internet users in the last 12 months	1.517.708
Age: 65 to 74 years old	Level of concern about their online activities being monitored: very concerned	18,4
Age: 65 to 74 years old	Level of concern about their online activities being monitored: somewhat concerned	34,1
Age: 65 to 74 years old	Level of concern about their online activities being monitored: not at all concerned	47,5
Age: 65 to 74 years old	Using any anti-tracking software: YES	11,3
Age: 65 to 74 years old	Using any anti-tracking software: NO	88,7
Habitat: 100,000 inhabitants and over and provincial capitals	Total Internet users in the last 12 months	12.116.902
Habitat: 100,000 inhabitants and over and provincial capitals	Level of concern about their online activities being monitored: very concerned	18,1
Habitat: 100,000 inhabitants and over and provincial capitals	Level of concern about their online activities being monitored: somewhat concerned	44,6
Habitat: 100,000 inhabitants and over and provincial capitals	Level of concern about their online activities being monitored: not at all concerned	37,3
Habitat: 100,000 inhabitants and over and provincial capitals	Using any anti-tracking software: YES	19
Habitat: 100,000 inhabitants and over and provincial capitals	Using any anti-tracking software: NO	81
Habitat: From 50,000 to fewer than 100,000 inhabitants	Total Internet users in the last 12 months	3.451.805
Habitat: From 50,000 to fewer than 100,000 inhabitants	Level of concern about their online activities being monitored: very concerned	16,1
Habitat: From 50,000 to fewer than 100,000 inhabitants	Level of concern about their online activities being monitored: somewhat concerned	44,7
Habitat: From 50,000 to fewer than 100,000 inhabitants	Level of concern about their online activities being monitored: not at all concerned	39,1
Habitat: From 50,000 to fewer than 100,000 inhabitants	Using any anti-tracking software: YES	16,6
Habitat: From 50,000 to fewer than 100,000 inhabitants	Using any anti-tracking software: NO	83,4
Habitat: From 20,000 to fewer than 50,000 inhabitants	Total Internet users in the last 12 months	4.173.922
Habitat: From 20,000 to fewer than 50,000 inhabitants	Level of concern about their online activities being monitored: very concerned	17,8
Habitat: From 20,000 to fewer than 50,000 inhabitants	Level of concern about their online activities being monitored: somewhat concerned	44,5
Habitat: From 20,000 to fewer than 50,000 inhabitants	Level of concern about their online activities being monitored: not at all concerned	37,8
Habitat: From 20,000 to fewer than 50,000 inhabitants	Using any anti-tracking software: YES	17,2
Habitat: From 20,000 to fewer than 50,000 inhabitants	Using any anti-tracking software: NO	82,8
Habitat: From 10,000 to fewer than 20,000 inhabitants	Total Internet users in the last 12 months	3.248.151
Habitat: From 10,000 to fewer than 20,000 inhabitants	Level of concern about their online activities being monitored: very concerned	15,2
Habitat: From 10,000 to fewer than 20,000 inhabitants	Level of concern about their online activities being monitored: somewhat concerned	42,9
Habitat: From 10,000 to fewer than 20,000 inhabitants	Level of concern about their online activities being monitored: not at all concerned	41,9
Habitat: From 10,000 to fewer than 20,000 inhabitants	Using any anti-tracking software: YES	13,1
Habitat: From 10,000 to fewer than 20,000 inhabitants	Using any anti-tracking software: NO	86,9
Habitat: Less than 10,000 inhabitants	Total Internet users in the last 12 months	4.991.148
Habitat: Less than 10,000 inhabitants	Level of concern about their online activities being monitored: very concerned	17,3
Habitat: Less than 10,000 inhabitants	Level of concern about their online activities being monitored: somewhat concerned	41,3
Habitat: Less than 10,000 inhabitants	Level of concern about their online activities being monitored: not at all concerned	41,4
Habitat: Less than 10,000 inhabitants	Using any anti-tracking software: YES	14,6
Habitat: Less than 10,000 inhabitants	Using any anti-tracking software: NO	85,4
Size of the household: Households with 1 member	Total Internet users in the last 12 months	1.755.542
Size of the household: Households with 1 member	Level of concern about their online activities being monitored: very concerned	20,3
Size of the household: Households with 1 member	Level of concern about their online activities being monitored: somewhat concerned	40
Size of the household: Households with 1 member	Level of concern about their online activities being monitored: not at all concerned	39,7
Size of the household: Households with 1 member	Using any anti-tracking software: YES	16,6
Size of the household: Households with 1 member	Using any anti-tracking software: NO	83,4
Size of the household: Households with 2 members	Total Internet users in the last 12 months	6.334.228
Size of the household: Households with 2 members	Level of concern about their online activities being monitored: very concerned	18,6
Size of the household: Households with 2 members	Level of concern about their online activities being monitored: somewhat concerned	41,5
Size of the household: Households with 2 members	Level of concern about their online activities being monitored: not at all concerned	39,9
Size of the household: Households with 2 members	Using any anti-tracking software: YES	17
Size of the household: Households with 2 members	Using any anti-tracking software: NO	83
Size of the household: Households with 3 members	Total Internet users in the last 12 months	7.821.802
Size of the household: Households with 3 members	Level of concern about their online activities being monitored: very concerned	17
Size of the household: Households with 3 members	Level of concern about their online activities being monitored: somewhat concerned	44,7
Size of the household: Households with 3 members	Level of concern about their online activities being monitored: not at all concerned	38,3
Size of the household: Households with 3 members	Using any anti-tracking software: YES	16,7
Size of the household: Households with 3 members	Using any anti-tracking software: NO	83,3
Size of the household: Households with 4 members	Total Internet users in the last 12 months	8.929.432
Size of the household: Households with 4 members	Level of concern about their online activities being monitored: very concerned	17,3
Size of the household: Households with 4 members	Level of concern about their online activities being monitored: somewhat concerned	45,1
Size of the household: Households with 4 members	Level of concern about their online activities being monitored: not at all concerned	37,6
Size of the household: Households with 4 members	Using any anti-tracking software: YES	17,6
Size of the household: Households with 4 members	Using any anti-tracking software: NO	82,4
Size of the household: Households with 5 or more members	Total Internet users in the last 12 months	3.140.925
Size of the household: Households with 5 or more members	Level of concern about their online activities being monitored: very concerned	14,1
Size of the household: Households with 5 or more members	Level of concern about their online activities being monitored: somewhat concerned	44,7
Size of the household: Households with 5 or more members	Level of concern about their online activities being monitored: not at all concerned	41,2
Size of the household: Households with 5 or more members	Using any anti-tracking software: YES	16
Size of the household: Households with 5 or more members	Using any anti-tracking software: NO	84
Nationality: Spanish	Total Internet users in the last 12 months	24.935.306
Nationality: Spanish	Level of concern about their online activities being monitored: very concerned	17,6
Nationality: Spanish	Level of concern about their online activities being monitored: somewhat concerned	44,2
Nationality: Spanish	Level of concern about their online activities being monitored: not at all concerned	38,2
Nationality: Spanish	Using any anti-tracking software: YES	17,1
Nationality: Spanish	Using any anti-tracking software: NO	82,9
Nationality: Foreign	Total Internet users in the last 12 months	3.046.622
Nationality: Foreign	Level of concern about their online activities being monitored: very concerned	14,9
Nationality: Foreign	Level of concern about their online activities being monitored: somewhat concerned	41,1
Nationality: Foreign	Level of concern about their online activities being monitored: not at all concerned	44
Nationality: Foreign	Using any anti-tracking software: YES	15,8
Nationality: Foreign	Using any anti-tracking software: NO	84,2