TIMSS: International and U.S. Response Rates - International and U.S. Response Rates -

International and U.S. Response Rates

Table 1. Coverage of target populations, school participation rates, and student participation rates by education system, grade 4: TIMSS 2015
Education system	Average age at time of testing	Percentage of international target population coverage	Overall exclusions from national target population	Weighted school participation rate before substitution (%)	Weighted school participation rate after substitution (%)	Weighted student participation rate (%)	Combined weighted school participation and student participation rate with substitute schools (%)
NOTE: Education systems in the Southern hemisphere administered TIMSS 2015 in the fall of 2014 while those in the Northern hemisphere administered the assessment in the spring of 2015. Education systems that are not countries are designated by the appended three-letter international abbreviation for their country. SOURCE: International Association for the Evaluation of Educational Achievement (IEA). Trends in International Mathematics and Science Study (TIMSS), 2015.
Australia	10.0	100	4.2	98	99	95	94
Bahrain	9.9	100	5.6	100	100	99	99
Belgium (Flemish)–BEL	10.1	100	1.4	74	97	98	95
Bulgaria	10.8	100	2.9	97	97	96	93
Canada	9.9	79	6.1	80	86	94	80
Chile	10.2	100	3.7	87	94	94	88
Chinese Taipei–CHN	10.2	100	2.4	99	100	99	99
Croatia	10.6	100	4.4	99	100	95	94
Cyprus	9.8	100	4.6	100	100	98	98
Czech Republic	10.4	100	4.2	100	100	95	95
Denmark	10.9	100	7.5	53	91	95	86
England–GBR	10.1	100	2.3	95	98	98	96
Finland	10.8	100	2.0	99	100	97	97
France	9.9	100	5.3	96	99	98	97
Georgia	9.7	90	4.9	99	100	98	98
Germany	10.4	100	2.7	97	99	96	95
Hong Kong–CHN	10.1	100	2.2	76	82	93	76
Hungary	10.7	100	4.8	99	99	97	96
Indonesia	10.4	100	0.2	100	100	99	99
Iran, Islamic Republic of	10.2	100	4.0	100	100	99	99
Ireland	10.4	100	2.7	100	100	96	96
Italy	9.7	100	6.2	80	99	95	94
Japan	10.5	100	2.9	96	99	98	97
Jordan	9.8	100	1.2	100	100	96	96
Kazakhstan	10.3	100	3.9	97	99	98	97
Korea, Republic of	10.5	100	2.5	100	100	97	97
Kuwait	9.7	100	3.0	94	94	97	90
Lithuania	10.7	100	6.1	99	100	94	94
Morocco	10.3	100	1.5	100	100	99	99
Netherlands	10.0	100	3.2	48	87	96	83
New Zealand	10.0	100	4.8	81	96	94	90
Northern Ireland–GBR	10.4	100	2.7	65	76	93	71
Norway	10.7	100	4.7	93	93	95	89
Oman	9.6	100	0.8	97	98	99	97
Poland	10.7	100	4.0	91	100	92	92
Portugal	9.9	100	6.5	89	99	93	92
Qatar	10.1	100	3.8	100	100	99	99
Russian Federation	10.8	100	4.0	100	100	98	98
Saudi Arabia	10.0	100	1.9	95	100	93	93
Serbia	10.7	100	11.3	99	100	96	96
Singapore	10.4	100	10.1	100	100	96	96
Slovak Republic	10.4	100	4.2	98	100	97	97
Slovenia	9.8	100	4.5	96	99	95	93
Spain	9.9	100	5.6	98	99	96	95
Sweden	10.8	100	5.7	100	100	95	95
Turkey	9.9	100	3.6	100	100	98	98
United Arab Emirates	9.8	100	4.7	100	100	97	97
United States	10.2	100	6.8	77	85	96	81
Benchmarking Participants
Buenos Aires–ARG	9.8	100	1.9	86	91	93	79
Ontario–CAN	9.8	100	3.4	95	95	95	90
Quebec–CAN	10.1	100	5.4	48	62	95	59
Abu Dhabi–UAE	9.8	100	5.8	100	100	97	97
Dubai–UAE	9.8	100	5.3	100	100	97	97
Florida–USA	10.4	90	4.7	100	100	95	95