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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 15,155 228 616,862 1,569
2 🇺🇸 United States 6,016 109 271,289 1,686
3 🇮🇳 India 3,857 65 82,284 827
4 🇬🇧 United Kingdom 3,021 61 225,441 412
5 🇮🇹 Italy 2,827 34 112,916 290
6 🇩🇪 Germany 2,596 41 155,765 335
7 🇪🇸 Spain 2,160 19 85,266 208
8 🇨🇦 Canada 1,865 30 96,190 184
9 🇮🇩 Indonesia 1,855 54 19,738 278
10 🇰🇷 South Korea 1,819 13 68,135 210
11 🇫🇷 France 1,607 7 79,090 278
12 🇦🇺 Australia 1,605 44 121,318 136
13 🇧🇷 Brazil 1,516 36 45,915 298
14 🇳🇱 Netherlands 1,438 23 127,124 93
15 🇯🇵 Japan 1,394 15 33,816 346
16 🇹🇷 Turkey 999 15 20,732 183
17 🇲🇾 Malaysia 987 24 34,013 76
18 🇵🇹 Portugal 937 16 61,449 84
19 🇵🇱 Poland 898 10 17,493 112
20 🇮🇷 Iran 831 37 29,621 164
21 🇳🇴 Norway 764 14 51,293 73
22 🇸🇪 Sweden 740 9 42,758 68
23 🇧🇩 Bangladesh 722 11 18,041 86
24 🇩🇰 Denmark 704 11 40,569 43
25 🇭🇰 HK 649 13 38,269 13
26 🇵🇰 Pakistan 636 16 15,282 141
27 🇸🇦 Saudi Arabia 625 8 21,306 55
28 🇲🇽 Mexico 614 9 16,202 112
29 🇳🇬 Nigeria 562 8 16,554 125
30 🇧🇪 Belgium 536 5 31,077 77
31 🇹🇭 Thailand 532 11 9,285 86
32 🇹🇼 Taiwan 522 7 15,694 109
33 🇷🇺 Russia 511 5 6,582 149
34 🇦🇹 Austria 502 2 21,555 72
35 🇿🇦 South Africa 497 14 23,650 46
36 🇨🇭 Switzerland 496 4 28,171 92
37 🇨🇿 Czech Republic 445 6 14,937 50
38 🇪🇬 Egypt 428 7 10,957 66
39 🇬🇷 Greece 423 11 14,873 55
40 🇫🇮 Finland 414 3 20,589 45
41 🇻🇳 Vietnam 395 6 10,365 90
42 🇮🇪 Ireland 319 10 30,086 32
43 🇸🇬 Singapore 301 6 15,126 33
44 🇳🇿 New Zealand 278 4 19,875 32
45 🇨🇱 Chile 274 2 26,453 61
46 🇨🇴 Colombia 253 4 5,445 74
47 🇵🇭 Philippines 247 7 2,310 90
48 🇸🇮 SI 246 2 8,851 29
49 🇷🇴 Romania 235 6 4,123 54
50 🇦🇷 Argentina 229 2 5,643 47