Lev4: CHEMISTRY, ANALYTICAL//ENVIRONMENTAL SCIENCES//ATMOSPHERIC ENVIRONMENT - Statistics for Countries

Statistics per Country

Number of publications, full counts

Obs Country 1990-1994 1995-1999 2000-2004 2005-2009 2010-2014 All years
1 All countries 1481 2065 2642 4169 5604 15961
2 United States 310 512 653 1016 1068 3559
3 China 50 69 127 399 911 1556
4 India 61 112 149 345 573 1240
5 United Kingdom 147 141 197 247 258 990
6 Canada 105 161 164 251 308 989
7 Germany 91 109 137 183 212 732
8 Japan 71 102 146 223 190 732
9 France 82 115 154 175 185 711
10 Spain 34 91 116 185 270 696
11 Brazil 33 83 146 177 174 613
12 Australia 49 66 79 105 174 473
13 Italy 36 48 95 115 160 454
14 Turkey 8 13 39 81 215 356
15 Sweden 48 53 52 84 99 336
16 Bangladesh 4 15 44 121 124 308
17 Russian Federation 35 64 76 60 70 305
18 Korea, Republic of 3 10 35 82 166 296
19 Egypt 27 31 44 68 120 290
20 Poland 15 23 45 64 112 259
21 Switzerland 24 10 43 73 94 244
22 Iran, Islamic Republic of 1 4 10 61 120 196
23 Greece 14 17 54 63 47 195
24 Taiwan 18 18 18 37 100 191
25 Mexico 6 6 28 46 101 187
26 Pakistan 11 11 15 46 83 166
27 Czech Republic 6 10 23 50 71 160
28 Belgium 5 20 25 43 60 153
29 Finland 33 31 24 25 39 152
30 Argentina 13 18 13 41 64 149
31 Slovenia . 13 28 32 62 135
32 Portugal 6 7 12 43 64 132
33 Austria 19 20 22 39 24 124
34 Netherlands 14 14 21 41 33 123
35 Bulgaria 33 14 30 30 15 122
36 Malaysia 4 11 11 22 68 116
37 Nigeria 7 5 15 39 50 116
38 Saudi Arabia 5 12 8 18 71 114
39 Republic of Serbia . . . 23 86 109
40 Romania 13 10 13 28 44 108
41 Chile 1 3 23 34 40 101
42 New Zealand 13 9 16 35 28 101
43 Hungary 3 18 15 36 23 95
44 Denmark 4 4 13 28 31 80
45 Slovak Republic 4 14 8 20 34 80
46 Norway 6 5 10 12 44 77
47 Israel 10 5 15 24 19 73
48 Croatia 4 12 11 18 21 66
49 South Africa 3 5 8 16 30 62
50 Viet Nam 1 2 1 24 23 51
51 Thailand 2 5 6 8 29 50

Number of publications, full counts



Bar chart of publication_year

Share of the total number of publications in the field, full counts (%)

Obs Country 1990-1994 1995-1999 2000-2004 2005-2009 2010-2014 All years
1 All countries 100.0 100.0 100.0 100.0 100.0 100.0
2 United States 20.9 24.8 24.7 24.4 19.1 22.3
3 China 3.4 3.3 4.8 9.6 16.3 9.7
4 India 4.1 5.4 5.6 8.3 10.2 7.8
5 United Kingdom 9.9 6.8 7.5 5.9 4.6 6.2
6 Canada 7.1 7.8 6.2 6.0 5.5 6.2
7 Germany 6.1 5.3 5.2 4.4 3.8 4.6
8 Japan 4.8 4.9 5.5 5.3 3.4 4.6
9 France 5.5 5.6 5.8 4.2 3.3 4.5
10 Spain 2.3 4.4 4.4 4.4 4.8 4.4
11 Brazil 2.2 4.0 5.5 4.2 3.1 3.8
12 Australia 3.3 3.2 3.0 2.5 3.1 3.0
13 Italy 2.4 2.3 3.6 2.8 2.9 2.8
14 Turkey 0.5 0.6 1.5 1.9 3.8 2.2
15 Sweden 3.2 2.6 2.0 2.0 1.8 2.1
16 Bangladesh 0.3 0.7 1.7 2.9 2.2 1.9
17 Russian Federation 2.4 3.1 2.9 1.4 1.2 1.9
18 Korea, Republic of 0.2 0.5 1.3 2.0 3.0 1.9
19 Egypt 1.8 1.5 1.7 1.6 2.1 1.8
20 Poland 1.0 1.1 1.7 1.5 2.0 1.6
21 Switzerland 1.6 0.5 1.6 1.8 1.7 1.5
22 Iran, Islamic Republic of 0.1 0.2 0.4 1.5 2.1 1.2
23 Greece 0.9 0.8 2.0 1.5 0.8 1.2
24 Taiwan 1.2 0.9 0.7 0.9 1.8 1.2
25 Mexico 0.4 0.3 1.1 1.1 1.8 1.2
26 Pakistan 0.7 0.5 0.6 1.1 1.5 1.0
27 Czech Republic 0.4 0.5 0.9 1.2 1.3 1.0
28 Belgium 0.3 1.0 0.9 1.0 1.1 1.0
29 Finland 2.2 1.5 0.9 0.6 0.7 1.0
30 Argentina 0.9 0.9 0.5 1.0 1.1 0.9
31 Slovenia . 0.6 1.1 0.8 1.1 0.8
32 Portugal 0.4 0.3 0.5 1.0 1.1 0.8
33 Austria 1.3 1.0 0.8 0.9 0.4 0.8
34 Netherlands 0.9 0.7 0.8 1.0 0.6 0.8
35 Bulgaria 2.2 0.7 1.1 0.7 0.3 0.8
36 Malaysia 0.3 0.5 0.4 0.5 1.2 0.7
37 Nigeria 0.5 0.2 0.6 0.9 0.9 0.7
38 Saudi Arabia 0.3 0.6 0.3 0.4 1.3 0.7
39 Republic of Serbia . . . 0.6 1.5 0.7
40 Romania 0.9 0.5 0.5 0.7 0.8 0.7
41 Chile 0.1 0.1 0.9 0.8 0.7 0.6
42 New Zealand 0.9 0.4 0.6 0.8 0.5 0.6
43 Hungary 0.2 0.9 0.6 0.9 0.4 0.6
44 Denmark 0.3 0.2 0.5 0.7 0.6 0.5
45 Slovak Republic 0.3 0.7 0.3 0.5 0.6 0.5
46 Norway 0.4 0.2 0.4 0.3 0.8 0.5
47 Israel 0.7 0.2 0.6 0.6 0.3 0.5
48 Croatia 0.3 0.6 0.4 0.4 0.4 0.4
49 South Africa 0.2 0.2 0.3 0.4 0.5 0.4
50 Viet Nam 0.1 0.1 0.0 0.6 0.4 0.3
51 Thailand 0.1 0.2 0.2 0.2 0.5 0.3

Share of the total number of publications in the field, full counts (%)



Bar chart of publication_year

Number of publications among 10% most cited in field, full counts

Obs Country 1990-1994 1995-1999 2000-2004 2005-2009 2010-2014 All years
1 All countries 181.1 268.6 391.9 527.6 487.1 1856.4
2 United States 79.4 121.2 163.3 177.3 143.8 685.0
3 China 1.0 4.8 14.5 68.1 136.4 224.7
4 India 3.0 17.8 21.2 48.3 51.6 141.9
5 United Kingdom 20.8 10.5 42.8 56.9 38.8 169.8
6 Canada 21.4 34.4 25.8 40.0 30.4 152.0
7 Germany 6.6 18.5 24.8 19.8 20.0 89.7
8 Japan 2.7 10.3 19.9 31.7 16.3 80.9
9 France 2.5 7.2 17.6 26.3 20.5 74.1
10 Spain 3.3 12.0 8.6 20.3 18.3 62.5
11 Brazil 3.1 8.6 8.9 9.8 8.4 38.8
12 Australia 5.6 5.8 17.4 16.2 23.0 67.9
13 Italy 3.4 5.8 8.5 8.5 9.6 35.7
14 Turkey 0.3 0.0 3.3 16.9 17.8 38.2
15 Sweden 10.3 4.3 9.3 14.2 12.5 50.4
16 Bangladesh 0.0 4.9 15.2 33.9 13.6 67.7
17 Russian Federation 0.0 1.5 1.0 1.0 1.2 4.7
18 Korea, Republic of 0.3 1.3 6.3 8.4 10.7 27.1
19 Egypt 1.4 2.7 3.6 5.2 8.6 21.5
20 Poland 0.0 2.2 0.3 3.3 2.6 8.5
21 Switzerland 1.0 0.2 11.1 21.7 18.4 52.4
22 Iran, Islamic Republic of 0.0 0.7 1.0 1.3 1.4 4.3
23 Greece 2.3 0.3 9.9 5.8 4.2 22.4
24 Taiwan 4.5 3.0 3.0 3.3 7.2 21.0
25 Mexico 1.0 0.0 4.9 4.6 7.3 17.8
26 Pakistan 1.5 1.6 1.0 10.1 4.7 18.9
27 Czech Republic 0.2 0.0 3.0 1.0 3.0 7.2
28 Belgium 0.0 3.0 4.0 3.3 9.4 19.7
29 Finland 0.5 2.2 1.3 3.3 3.8 11.1
30 Argentina 3.0 1.0 2.0 8.4 3.4 17.8
31 Slovenia . 2.3 7.0 2.5 2.8 14.5
32 Portugal 1.0 0.7 1.5 6.0 3.9 13.1
33 Austria 1.2 2.8 6.0 3.6 2.5 16.2
34 Netherlands 1.5 2.0 6.3 7.8 0.1 17.8
35 Bulgaria 3.1 3.0 2.0 2.4 0.8 11.3
36 Malaysia 0.0 0.3 0.3 1.5 3.7 5.9
37 Nigeria 0.5 0.0 0.3 1.4 0.0 2.2
38 Saudi Arabia 0.0 1.0 1.0 1.3 5.4 8.7
39 Republic of Serbia . . . 3.0 3.0 6.0
40 Romania 0.0 0.0 0.7 1.0 2.2 3.9
41 Chile 0.0 0.0 6.0 2.0 2.0 10.0
42 New Zealand 1.5 2.0 4.0 2.7 2.4 12.6
43 Hungary 0.5 0.3 1.0 7.3 2.0 11.1
44 Denmark 0.2 0.0 5.8 9.3 5.0 20.4
45 Slovak Republic 0.0 0.0 0.0 0.3 2.0 2.3
46 Norway 0.9 0.0 1.0 0.5 7.2 9.7
47 Israel 1.0 0.0 1.8 1.4 1.5 5.8
48 Croatia 0.0 1.2 0.0 3.1 0.5 4.8
49 South Africa 0.0 1.0 0.0 0.3 0.3 1.7
50 Viet Nam 0.0 0.0 1.0 7.3 5.0 13.3
51 Thailand 0.0 1.0 2.0 0.0 2.5 5.5

Number of publications among 10% most cited in field, full counts



Bar chart of publication_year

Share of publications among 10% most cited in field, fractionalized (%)

Obs Country 1990-1994 1995-1999 2000-2004 2005-2009 2010-2014 All years
1 All countries 12.2 13.0 14.8 12.7 8.7 11.6
2 United States 25.3 24.2 24.7 16.4 12.7 19.1
3 China 1.4 6.5 9.4 14.2 13.7 12.7
4 India 4.4 14.5 13.0 13.1 7.9 10.4
5 United Kingdom 15.0 7.5 21.1 21.6 13.7 16.4
6 Canada 20.7 20.8 12.6 13.6 10.9 14.8
7 Germany 7.2 17.5 17.3 9.2 7.7 11.6
8 Japan 4.2 8.6 14.4 11.5 7.9 10.1
9 France 2.4 5.0 9.8 14.4 10.4 9.0
10 Spain 8.6 11.8 5.9 9.9 5.3 7.8
11 Brazil 10.6 7.6 5.2 5.0 4.0 5.4
12 Australia 11.2 7.4 19.5 12.7 12.7 12.8
13 Italy 9.4 10.5 8.3 7.4 5.1 7.4
14 Turkey 2.1 0.0 9.0 20.7 8.2 10.8
15 Sweden 23.6 6.4 11.9 14.1 13.7 13.9
16 Bangladesh 0.0 27.2 22.0 25.2 6.8 17.5
17 Russian Federation 0.0 1.8 0.6 0.4 0.5 0.7
18 Korea, Republic of 4.8 10.6 15.5 7.8 6.0 7.8
19 Egypt 5.7 7.5 8.5 7.4 5.2 6.6
20 Poland 0.0 9.8 0.7 4.6 2.5 3.2
21 Switzerland 4.9 2.4 30.2 32.3 17.4 21.5
22 Iran, Islamic Republic of 0.0 16.7 4.0 2.1 1.2 2.0
23 Greece 16.1 1.5 18.8 8.5 7.1 10.8
24 Taiwan 17.3 9.3 17.1 7.1 6.0 9.1
25 Mexico 16.7 0.0 13.5 10.3 6.8 8.7
26 Pakistan 14.9 10.7 6.7 22.9 6.1 11.5
27 Czech Republic 2.4 0.0 5.6 0.7 2.1 2.0
28 Belgium 0.0 14.4 16.9 5.2 10.5 10.2
29 Finland 1.7 6.4 4.1 7.1 11.6 6.0
30 Argentina 21.3 3.1 11.4 17.8 3.9 9.7
31 Slovenia . 13.7 23.9 4.7 4.1 9.4
32 Portugal 16.7 10.5 13.6 14.6 6.0 10.4
33 Austria 7.7 12.8 22.8 7.6 10.4 11.7
34 Netherlands 14.4 14.8 25.1 19.3 0.1 14.7
35 Bulgaria 10.2 25.0 4.0 4.8 6.1 8.6
36 Malaysia 0.0 3.2 3.3 6.9 3.1 4.0
37 Nigeria 7.1 0.0 1.7 3.8 0.0 2.0
38 Saudi Arabia 0.0 8.3 13.3 5.3 5.8 6.5
39 Republic of Serbia . . . 12.1 3.3 5.2
40 Romania 0.0 0.0 4.7 2.0 2.5 2.0
41 Chile 0.0 0.0 22.3 5.0 1.7 7.7
42 New Zealand 10.0 16.0 27.3 4.6 6.4 11.3
43 Hungary 16.7 1.9 6.8 19.2 5.8 10.4
44 Denmark 6.1 0.0 31.0 26.6 16.4 20.4
45 Slovak Republic 0.0 0.0 0.0 1.1 5.0 2.2
46 Norway 18.6 0.0 7.3 5.8 14.4 11.0
47 Israel 6.7 0.0 8.4 1.4 6.8 4.9
48 Croatia 0.0 6.4 0.0 15.5 0.8 6.0
49 South Africa 0.0 23.1 0.0 2.5 0.7 3.0
50 Viet Nam 0.0 0.0 100.0 26.9 15.9 20.9
51 Thailand 0.0 12.5 23.8 0.0 10.1 10.1

Share of publications among 10% most cited in field, fractionalized (%)



Bar chart of publication_year

Field normalized citation rate (cf), fractionalized

Obs Country 1990-1994 1995-1999 2000-2004 2005-2009 2010-2014 All years
1 All countries 1.13 1.21 1.28 1.12 0.92 1.09
2 United States 2.13 2.06 1.82 1.33 1.14 1.56
3 China 0.33 0.47 0.75 1.16 1.18 1.08
4 India 0.76 1.35 1.28 1.08 0.84 1.00
5 United Kingdom 1.19 0.79 1.90 1.63 1.16 1.38
6 Canada 1.68 1.66 1.18 1.18 0.99 1.27
7 Germany 0.78 1.29 1.25 0.94 0.91 1.03
8 Japan 0.64 0.74 1.28 0.97 0.73 0.91
9 France 0.68 0.77 0.98 1.17 1.03 0.95
10 Spain 1.05 1.05 0.81 1.14 0.86 0.96
11 Brazil 0.79 0.92 0.77 0.81 0.65 0.77
12 Australia 1.01 0.91 1.33 1.17 1.16 1.13
13 Italy 0.85 1.03 0.93 0.90 0.87 0.91
14 Turkey 0.53 0.45 1.01 1.65 0.89 1.06
15 Sweden 1.58 0.91 1.23 1.17 1.27 1.23
16 Bangladesh 0.17 2.20 2.54 1.61 0.77 1.50
17 Russian Federation 0.04 0.15 0.21 0.14 0.18 0.16
18 Korea, Republic of 0.42 0.78 1.57 0.88 1.02 1.03
19 Egypt 0.62 0.84 0.86 0.82 0.65 0.74
20 Poland 0.35 0.81 0.57 0.55 0.44 0.51
21 Switzerland 0.71 0.68 2.39 2.12 1.41 1.65
22 Iran, Islamic Republic of 1.22 1.58 0.58 0.44 0.54 0.53
23 Greece 1.33 0.57 1.48 1.12 0.85 1.11
24 Taiwan 1.54 0.89 1.42 1.03 0.88 1.04
25 Mexico 1.46 0.39 0.97 0.80 0.80 0.84
26 Pakistan 1.13 1.22 0.85 1.59 0.76 1.05
27 Czech Republic 0.33 0.34 0.97 0.62 0.58 0.61
28 Belgium 0.62 1.34 1.15 0.99 1.10 1.09
29 Finland 0.76 0.97 0.66 0.93 0.88 0.84
30 Argentina 1.18 0.61 1.03 1.13 0.61 0.84
31 Slovenia . 1.23 1.37 0.95 0.88 1.04
32 Portugal 0.84 1.18 0.78 1.07 0.90 0.95
33 Austria 0.74 1.06 2.19 1.00 0.94 1.16
34 Netherlands 1.21 1.24 1.50 1.47 0.62 1.21
35 Bulgaria 1.23 1.73 0.96 0.67 0.83 1.03
36 Malaysia 0.18 0.63 0.54 0.90 0.49 0.60
37 Nigeria 0.77 0.56 0.56 0.68 0.36 0.54
38 Saudi Arabia 0.51 1.23 1.11 0.74 0.62 0.77
39 Republic of Serbia . . . 1.01 0.60 0.69
40 Romania 0.21 0.01 0.30 0.38 0.47 0.35
41 Chile 1.43 0.75 1.17 0.60 0.70 0.78
42 New Zealand 0.81 1.76 1.23 0.93 0.86 1.04
43 Hungary 1.29 0.56 0.74 1.44 0.80 0.99
44 Denmark 1.42 0.57 1.85 2.16 1.27 1.61
45 Slovak Republic 0.74 0.30 0.24 0.47 0.45 0.42
46 Norway 1.44 0.88 1.01 0.81 1.10 1.05
47 Israel 0.76 0.16 1.02 0.61 0.82 0.74
48 Croatia 0.88 0.83 0.48 1.12 0.62 0.80
49 South Africa 0.73 2.69 0.29 0.47 0.40 0.62
50 Viet Nam 0.50 0.97 17.65 1.86 0.94 1.66
51 Thailand 0.24 0.69 1.74 0.65 0.82 0.87

Field normalized citation rate (cf), fractionalized



Bar chart of publication_year