Top 20 Countries in All Fields

ScienceWatch.com has the list of "Top 20 countries in all fields" for the past decade, the years of 2000-2010.

The list is a product of the Essential Science Indicators by Thomson Reuters. The data counted for all authors in full, meaning that "For articles with multiple authors representing different nations, each listed nation receives full, not fractional, citation credit for the given paper". The study dates in December 2010.

LISTED BY PAPERS

Rank	Country	Papers	Citations	Cites per paper
1	USA	2,967,957	46,796,090	15.77
2	JAPAN	770,252	7,877,699	10.23
3	GERMANY	762,599	9,960,100	13.06
4	PEOPLES R CHINA	719,971	4,227,779	5.87
5	ENGLAND	679,394	9,979,737	14.69
6	FRANCE	542,293	6,660,630	12.28
7	CANADA	430,856	5,619,293	13.04
8	ITALY	409,232	4,770,753	11.66
9	SPAIN	315,420	3,256,075	10.32
10	AUSTRALIA	284,250	3,359,748	11.82
11	RUSSIA	267,319	1,243,711	4.65
12	INDIA	266,230	1,497,065	5.62
13	SOUTH KOREA	254,599	1,767,799	6.94
14	NETHERLANDS	239,892	3,687,829	15.37
15	BRAZIL	190,801	1,197,953	6.28
16	SWEDEN	174,052	2,548,046	14.64
17	SWITZERLAND	172,904	2,873,881	16.62
18	TAIWAN	162,197	1,115,524	6.88
19	POLAND	144,559	954,220	6.6
20	TURKEY	138,345	687,389	4.97
SOURCE: ESSENTIAL SCIENCE INDICATORSSM FROM THOMSON REUTERS, TIME PERIOD: 2000-AUGUST 31, 2010 (FOURTH BIMONTHLY PERIOD OF 2010).

LISTED BY CITATIONS

Rank	Country	Papers	Citations	Cites per paper
1	USA	2,967,957	46,796,090	15.77
2	ENGLAND	679,394	9,979,737	14.69
3	GERMANY	762,599	9,960,100	13.06
4	JAPAN	770,252	7,877,699	10.23
5	FRANCE	542,293	6,660,630	12.28
6	CANADA	430,856	5,619,293	13.04
7	ITALY	409,232	4,770,753	11.66
8	PEOPLES R CHINA	719,971	4,227,779	5.87
9	NETHERLANDS	239,892	3,687,829	15.37
10	AUSTRALIA	284,250	3,359,748	11.82
11	SPAIN	315,420	3,256,075	10.32
12	SWITZERLAND	172,904	2,873,881	16.62
13	SWEDEN	174,052	2,548,046	14.64
14	SOUTH KOREA	254,599	1,767,799	6.94
15	BELGIUM	130,614	1,756,586	13.45
16	SCOTLAND	106,160	1,622,708	15.29
17	INDIA	266,230	1,497,065	5.62
18	DENMARK	93,538	1,470,961	15.73
19	ISRAEL	108,706	1,363,975	12.55
20	RUSSIA	267,319	1,243,711	4.65
SOURCE: ESSENTIAL SCIENCE INDICATORSSM FROM THOMSON REUTERS, TIME PERIOD: 2000-AUGUST 31, 2010 (FOURTH BIMONTHLY PERIOD OF 2010).

LISTED BY CITATIONS PER PAPER

Rank	Country	Papers	Citations	Cites per paper
1	SWITZERLAND	172,904	2,873,881	16.62
2	USA	2,967,957	46,796,090	15.77
3	DENMARK	93,538	1,470,961	15.73
4	NETHERLANDS	239,892	3,687,829	15.37
5	SCOTLAND	106,160	1,622,708	15.29
6	ENGLAND	679,394	9,979,737	14.69
7	SWEDEN	174,052	2,548,046	14.64
8	FINLAND	86,472	1,174,321	13.58
9	BELGIUM	130,614	1,756,586	13.45
10	GERMANY	762,599	9,960,100	13.06
11	CANADA	430,856	5,619,293	13.04
12	AUSTRIA	90,971	1,158,252	12.73
13	ISRAEL	108,706	1,363,975	12.55
14	NORWAY	67,189	839,931	12.5
15	FRANCE	542,293	6,660,630	12.28
16	WALES	35,707	434,969	12.18
17	AUSTRALIA	284,250	3,359,748	11.82
18	ITALY	409,232	4,770,753	11.66
19	NORTH IRELAND	17,464	201,859	11.56
20	IRELAND	41,624	469,554	11.28
SOURCE: ESSENTIAL SCIENCE INDICATORSSM FROM THOMSON REUTERS, TIME PERIOD: 2000-AUGUST 31, 2010 (FOURTH BIMONTHLY PERIOD OF 2010).