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Country Rankings

Countries ranked by microplastic research output — total papers, top-tier evidence, and citation impact.

Papers with more than 50 co-authors are excluded. How rankings work →

Rank Country Papers Tier 1 Citations Institutions
1 🇨🇳 China 16,183 242 617,161 1,654
2 🇺🇸 United States 6,576 125 271,676 1,823
3 🇮🇳 India 4,219 76 82,416 881
4 🇬🇧 United Kingdom 3,202 65 225,514 433
5 🇮🇹 Italy 2,976 39 113,137 321
6 🇩🇪 Germany 2,719 41 156,030 352
7 🇪🇸 Spain 2,288 21 85,485 220
8 🇮🇩 Indonesia 1,998 60 19,739 294
9 🇨🇦 Canada 1,981 31 96,309 192
10 🇰🇷 South Korea 1,962 14 68,231 214
11 🇫🇷 France 1,715 11 79,976 292
12 🇦🇺 Australia 1,691 47 121,409 142
13 🇧🇷 Brazil 1,617 40 45,920 314
14 🇳🇱 Netherlands 1,504 24 127,162 95
15 🇯🇵 Japan 1,468 17 33,925 356
16 🇹🇷 Turkey 1,074 18 20,740 191
17 🇲🇾 Malaysia 1,049 26 34,016 76
18 🇵🇹 Portugal 982 18 61,513 91
19 🇵🇱 Poland 971 16 17,557 119
20 🇮🇷 Iran 882 40 29,622 168
21 🇳🇴 Norway 806 14 51,294 76
22 🇸🇪 Sweden 783 10 42,817 70
23 🇧🇩 Bangladesh 782 11 18,044 87
24 🇩🇰 Denmark 730 11 40,572 45
25 🇵🇰 Pakistan 691 19 15,286 149
26 🇭🇰 HK 684 14 38,412 14
27 🇸🇦 Saudi Arabia 676 9 21,309 58
28 🇲🇽 Mexico 675 13 16,206 120
29 🇳🇬 Nigeria 618 11 16,556 132
30 🇹🇭 Thailand 575 12 9,352 88
31 🇧🇪 Belgium 565 8 31,166 78
32 🇹🇼 Taiwan 556 7 15,704 109
33 🇷🇺 Russia 548 5 6,660 158
34 🇿🇦 South Africa 537 16 23,655 46
35 🇦🇹 Austria 529 3 21,572 74
36 🇨🇭 Switzerland 520 6 28,172 95
37 🇨🇿 Czech Republic 476 6 14,937 57
38 🇪🇬 Egypt 458 9 10,957 68
39 🇬🇷 Greece 446 13 14,894 62
40 🇫🇮 Finland 434 3 20,606 48
41 🇻🇳 Vietnam 426 6 10,366 92
42 🇮🇪 Ireland 329 11 30,089 33
43 🇸🇬 Singapore 325 6 15,127 36
44 🇳🇿 New Zealand 298 4 19,875 36
45 🇨🇱 Chile 290 2 26,456 63
46 🇨🇴 Colombia 277 4 5,579 78
47 🇵🇭 Philippines 274 7 2,324 94
48 🇸🇮 SI 260 2 8,851 33
49 🇷🇴 Romania 250 7 4,123 56
50 🇦🇷 Argentina 240 2 5,643 50