Recent Levels of Weekly Mass Attendance of Catholics in Selected Countries
Comparative Study of Electoral Systems (CSES)

Percentage of Adult Catholics who Say they Attend Mass At Least Once a Week

Nation	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005
Ireland	--%	--%	--%	--%	--%	--%	62%	--%	--%	--%
Poland	--	50	--	--	--	51	--	--	--	--
Mexico	--	48	--	--	49	--	--	33	--	--
Philippines	--	--	--	--	--	--	--	--	48	--
Brazil	--	--	--	--	--	--	36	--	--	--
New Zealand	30	--	--	--	--	--	23	--	--	--
Portugal	--	--	--	--	--	--	24	--	--	27
Australia	25	--	--	--	--	--	--	--	24	--
South Korea	--	--	--	--	--	--	--	--	23	--
Germany	--	--	17	--	--	--	22	--	--	--
Hungary	--	--	20	--	--	--	21	--	--	--
Czech Republic	12	--	--	--	--	--	20	--	--	--
Great Britain	--	37	--	--	--	--	--	--	--	17
Switzerland	--	--	--	--	--	16	--	17	--	--
Belarus	--	--	--	--	--	16	--	--	--	--
Slovenia	15	--	--	--	--	--	--	--	--	--
Belgium	--	--	--	--	--	--	--	--	13	--
Netherlands	--	--	13	--	--	--	12	--	--	--
France	--	--	--	--	--	--	8	--	--	--

Comparative Study of Electoral Systems question: Apart from weddings, funerals and baptisms, about how often do you attend religious services?
Mass attendance percentages represent those adult Catholics responding “at least once a week.”

Weekly Mass Attendance of Catholics in

Nations with Large Catholic Populations, 1980-2000
World Values Survey (WVS)
Percentage of Adult Catholics who Say they Attend Mass Once a Week or More

Nation (current Catholic population %)	circa 1980	circa 1990	circa 1995-2000
Malta (96%)	--%	--%	84%
Ireland (77)	85	85	71
Poland (96)	--	68	62
Mexico (86)	58	50	62
El Salvador (76)	--	--	61
Slovakia (49)	--	45	57
Philippines (82)	--	--	56
Bosnia and Herzegovina (16)	--	--	55
Dominican Republic (89)	--	--	50
Italy (97)	35	44	48
Colombia (82)	--	--	48
Peru (88)	--	--	46
Portugal (90)	--	49	42
Chile (75)	--	26	39
Brazil (80)	--	33	36
Croatia (72)	--	--	36
Venezuela (86)	--	--	35
Canada (47)	--	38	32
Spain (94)	44	34	30
Austria (73)	--	30	28
Luxembourg (86)	--	--	27
Germany/West Germany (33)	35	30	27
Belgium (76)	41	38	26
Slovenia (82)	--	28	25
Australia (28)	21	--	25
Belarus (10)	--	15	25
New Zealand (12)	--	--	24
Argentina (89)	30	30	24
Switzerland (46)	--	35	23
Czech Republic (38)	--	--	22
Albania (13)	--	--	21
Netherlands (31)	36	30	19
Hungary (57)	13	30	18
Lithuania (76)	--	--	18
Uruguay (73)	--	--	18
Latvia (17)	--	--	15
France (77)	15	16	12

World Values Survey question: How often do you attend religious services these days?
Mass attendance percentages represent those adult Catholics responding “once” or “more than once a week.”
Data for 1995-2000 represent most recent WVS estimate.