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Indicator : Number of nano-articles in Q1 journals (Article)
Description : The number of nano-articles published in the first quartile journals (i.e., Q1) that have an Impact Factor (IF) in the top 25% of journals of their subject categories according to the Journal Citation Report (SJR). .
CHART TYPE Disabled in table mode
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Number of nano-articles in Q1 journals (Article)

2014 2015 2016 2017 2018 2019
1 China China 21,483 25,515 28,563 34,709 41,040 47,807
2 USA USA 14,699 15,513 16,565 17,293 17,384 16,971
3 South Korea South Korea 4,400 4,851 5,155 5,487 6,019 6,237
4 Germany Germany 4,795 5,151 5,542 5,716 5,691 5,701
5 India India 3,678 3,934 4,506 5,090 5,241 5,379
6 Japan Japan 3,615 3,818 3,899 3,960 3,952 4,036
7 UK UK 2,820 3,169 3,738 3,893 3,951 3,982
8 Iran Iran 1,855 2,073 2,663 3,194 3,676 3,796
9 France France 3,140 3,328 3,539 3,688 3,428 3,463
10 Australia Australia 1,967 2,331 2,554 2,724 2,949 3,335
11 Spain Spain 2,511 2,601 3,021 3,055 3,226 3,298
12 Italy Italy 2,145 2,383 2,466 2,584 2,685 2,689
13 Canada Canada 1,805 2,017 2,046 2,237 2,340 2,454
14 Taiwan Taiwan 1,826 1,747 1,776 1,781 1,831 1,949
15 Russia Russia 945 1,105 1,314 1,499 1,704 1,898
16 Singapore Singapore 1,560 1,688 1,731 1,762 1,711 1,779
17 Saudi Arabia Saudi Arabia 873 1,184 1,400 1,496 1,530 1,568
18 Brazil Brazil 910 964 1,205 1,339 1,403 1,553
19 Switzerland Switzerland 1,167 1,270 1,415 1,444 1,426 1,392
20 Netherlands Netherlands 1,006 1,131 1,269 1,298 1,281 1,338
21 Poland Poland 730 920 1,087 1,148 1,194 1,336
22 Sweden Sweden 957 1,016 1,151 1,271 1,280 1,184
23 Egypt Egypt 440 520 594 702 886 1,055
24 Turkey Turkey 652 719 885 875 919 1,021
25 Belgium Belgium 815 875 890 919 903 914
26 Czech Republic Czech Republic 455 522 562 653 638 822
27 Pakistan Pakistan 160 269 513 715 771 786
28 Malaysia Malaysia 508 571 656 729 653 786
29 Portugal Portugal 531 577 638 664 715 779
30 Denmark Denmark 546 558 587 677 680 724
31 Finland Finland 492 593 582 664 666 668
32 Austria Austria 454 513 545 589 625 640
33 Mexico Mexico 297 339 360 510 502 558
34 Thailand Thailand 241 250 335 400 434 427
35 Romania Romania 267 338 310 337 342 392
36 Vietnam Vietnam 92 97 137 180 264 385
37 Argentina Argentina 274 301 316 352 346 377
38 Greece Greece 336 351 378 368 352 373
39 South Africa South Africa 231 248 337 364 365 359
40 Ireland Ireland 355 378 393 364 339 351
41 Norway Norway 170 189 209 248 289 305
42 Chile Chile 108 134 186 201 238 269
43 Hungary Hungary 191 186 203 249 262 239
44 Ukraine Ukraine 195 195 167 185 254 228
45 Iraq Iraq 43 54 87 139 113 226
46 Slovenia Slovenia 140 164 170 176 185 226
47 UAE UAE 60 97 122 141 186 215
48 New Zealand New Zealand 128 142 139 181 195 207
49 Colombia Colombia 63 79 70 118 120 174
50 Slovakia Slovakia 120 109 115 139 156 156
51 Qatar Qatar 51 113 176 175 153 151
52 Tunisia Tunisia 103 125 155 173 156 149
53 Serbia Serbia 136 130 129 127 160 142
54 Indonesia Indonesia 40 43 65 66 108 120
55 Croatia Croatia 57 68 79 98 87 100
56 Lithuania Lithuania 45 63 63 78 84 94
57 Bangladesh Bangladesh 31 37 49 71 78 90
58 Nigeria Nigeria 14 34 47 69 79 86
59 Morocco Morocco 34 53 49 50 70 84
60 Algeria Algeria 55 61 80 85 87 84
61 Bulgaria Bulgaria 66 60 84 69 75 80
62 Estonia Estonia 54 60 72 76 70 80
63 Kuwait Kuwait 18 14 27 34 56 78
64 Luxembourg Luxembourg 28 30 61 56 67 77
65 Belarus Belarus 32 53 42 55 50 77
66 Kazakhstan Kazakhstan 11 7 22 33 39 76
67 Oman Oman 28 28 44 38 45 55
68 Lebanon Lebanon 19 26 44 32 41 48
69 Latvia Latvia 22 41 37 38 35 43
70 Jordan Jordan 19 25 35 46 36 41
71 Ecuador Ecuador 12 19 20 25 38 40
72 Philippines Philippines 15 16 13 31 30 39
73 Iceland Iceland 20 26 31 30 32 37
74 Uruguay Uruguay 19 13 15 27 22 30
75 Cyprus Cyprus 30 26 32 33 36 26
76 Sri lanka Sri lanka 10 16 15 31 27 25
77 Peru Peru 7 11 10 19 12 24
78 Yemen Yemen 7 3 6 10 12 21
79 North Korea North Korea 0 1 8 4 10 20
80 Moldova Moldova 17 15 27 28 16 20
81 Venezuela Venezuela 17 25 15 13 14 18
82 Cuba Cuba 17 15 17 19 21 18
83 Azerbaijan Azerbaijan 6 5 13 9 12 16
84 Cameroon Cameroon 2 9 17 6 12 16
85 Kenya Kenya 3 2 9 11 9 14
86 Nepal Nepal 13 12 13 7 11 13
87 Bahrain Bahrain 14 5 11 10 19 12
88 Bosnia Bosnia 3 1 7 4 10 12
89 Armenia Armenia 13 11 11 10 12 11
90 Uzbekistan Uzbekistan 4 5 5 8 5 10
91 Costa rica Costa rica 6 7 5 4 7 9
92 Georgia Georgia 3 9 7 8 6 8
93 Syria Syria 3 2 5 6 2 7
94 Senegal Senegal 1 2 5 6 5 7
95 Bolivia Bolivia 1 1 5 1 0 3
96 Panama Panama 0 0 2 3 3 3
97 Jamaica Jamaica 0 2 0 2 3 3
98 Liechtenstein Liechtenstein 1 7 3 4 6 3
99 Zimbabwe Zimbabwe 2 1 0 0 0 2
100 Tajikistan Tajikistan 2 3 1 4 1 2
101 Kyrgyzstan Kyrgyzstan 3 0 1 1 1 1
102 Paraguay Paraguay 0 2 1 1
103 Albania Albania 0 0 1 1 3 1
104 Angola Angola 1 0 0
105 Afghanistan Afghanistan 2 0
106 Turkmenistan Turkmenistan 1 2 0
Number of nano-articles in Q1 journals (Article)