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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 16,646 264 617,185 1,685
2 🇺🇸 United States 6,764 131 271,676 1,869
3 🇮🇳 India 4,373 80 82,456 894
4 🇬🇧 United Kingdom 3,270 68 225,514 441
5 🇮🇹 Italy 3,047 43 113,137 326
6 🇩🇪 Germany 2,772 46 156,038 359
7 🇪🇸 Spain 2,332 23 85,516 223
8 🇮🇩 Indonesia 2,043 61 19,739 297
9 🇨🇦 Canada 2,022 37 96,309 193
10 🇰🇷 South Korea 2,014 14 68,231 216
11 🇫🇷 France 1,747 12 79,976 297
12 🇦🇺 Australia 1,744 54 121,465 149
13 🇧🇷 Brazil 1,659 45 45,920 318
14 🇳🇱 Netherlands 1,532 24 127,168 97
15 🇯🇵 Japan 1,509 18 33,926 362
16 🇹🇷 Turkey 1,111 19 20,740 197
17 🇲🇾 Malaysia 1,083 26 34,016 78
18 🇵🇱 Poland 1,013 16 17,563 128
19 🇵🇹 Portugal 995 19 61,545 92
20 🇮🇷 Iran 905 42 29,622 171
21 🇧🇩 Bangladesh 821 14 18,044 89
22 🇳🇴 Norway 818 14 51,294 76
23 🇸🇪 Sweden 801 10 42,817 73
24 🇩🇰 Denmark 734 12 40,572 45
25 🇵🇰 Pakistan 715 20 15,286 151
26 🇭🇰 HK 703 14 38,412 15
27 🇸🇦 Saudi Arabia 698 9 21,309 58
28 🇲🇽 Mexico 689 14 16,206 122
29 🇳🇬 Nigeria 644 11 16,556 133
30 🇹🇭 Thailand 594 14 9,352 89
31 🇧🇪 Belgium 583 8 31,166 79
32 🇹🇼 Taiwan 567 7 15,704 109
33 🇷🇺 Russia 559 7 6,660 161
34 🇿🇦 South Africa 551 17 23,655 48
35 🇦🇹 Austria 543 4 21,572 74
36 🇨🇭 Switzerland 527 7 28,172 98
37 🇨🇿 Czech Republic 494 6 14,937 61
38 🇪🇬 Egypt 476 9 10,957 69
39 🇬🇷 Greece 460 15 14,894 66
40 🇫🇮 Finland 445 3 20,606 50
41 🇻🇳 Vietnam 434 6 10,366 92
42 🇮🇪 Ireland 334 11 30,089 36
43 🇸🇬 Singapore 333 7 15,127 38
44 🇳🇿 New Zealand 304 4 19,875 36
45 🇨🇱 Chile 300 3 26,456 64
46 🇨🇴 Colombia 287 4 5,579 78
47 🇵🇭 Philippines 279 8 2,324 94
48 🇸🇮 SI 273 2 8,851 34
49 🇷🇴 Romania 260 7 4,123 56
50 🇵🇪 PE 249 4 6,386 54