← Back to Rankings

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 17,099 281 617,186 1,716
2 🇺🇸 United States 6,946 137 271,683 1,897
3 🇮🇳 India 4,588 83 82,457 949
4 🇬🇧 United Kingdom 3,335 70 225,515 446
5 🇮🇹 Italy 3,117 44 113,137 334
6 🇩🇪 Germany 2,813 47 156,039 361
7 🇪🇸 Spain 2,371 25 85,516 225
8 🇮🇩 Indonesia 2,113 67 19,739 306
9 🇨🇦 Canada 2,072 38 96,309 197
10 🇰🇷 South Korea 2,070 16 68,231 220
11 🇫🇷 France 1,794 13 79,976 302
12 🇦🇺 Australia 1,778 56 121,465 153
13 🇧🇷 Brazil 1,702 46 45,920 322
14 🇳🇱 Netherlands 1,565 25 127,168 101
15 🇯🇵 Japan 1,538 19 33,926 365
16 🇹🇷 Turkey 1,154 24 20,740 202
17 🇲🇾 Malaysia 1,114 26 34,016 80
18 🇵🇱 Poland 1,048 18 17,563 130
19 🇵🇹 Portugal 1,009 19 61,545 95
20 🇮🇷 Iran 939 46 29,622 180
21 🇧🇩 Bangladesh 849 17 18,044 96
22 🇳🇴 Norway 841 14 51,294 77
23 🇸🇪 Sweden 819 10 42,817 74
24 🇩🇰 Denmark 756 14 40,573 45
25 🇵🇰 Pakistan 753 20 15,286 156
26 🇭🇰 HK 723 15 38,412 15
27 🇸🇦 Saudi Arabia 718 10 21,309 59
28 🇲🇽 Mexico 710 16 16,206 124
29 🇳🇬 Nigeria 701 15 16,556 150
30 🇹🇭 Thailand 621 16 9,352 93
31 🇧🇪 Belgium 587 8 31,166 80
32 🇹🇼 Taiwan 581 8 15,704 111
33 🇷🇺 Russia 571 8 6,660 163
34 🇿🇦 South Africa 566 18 23,655 49
35 🇦🇹 Austria 556 4 21,572 74
36 🇨🇭 Switzerland 537 7 28,172 98
37 🇨🇿 Czech Republic 508 7 14,937 62
38 🇪🇬 Egypt 496 9 10,957 71
39 🇬🇷 Greece 480 15 14,894 70
40 🇫🇮 Finland 458 3 20,606 51
41 🇻🇳 Vietnam 443 6 10,366 97
42 🇮🇪 Ireland 341 11 30,089 36
43 🇸🇬 Singapore 339 7 15,127 38
44 🇳🇿 New Zealand 306 4 19,875 37
45 🇨🇱 Chile 306 3 26,456 65
46 🇨🇴 Colombia 296 4 5,579 81
47 🇵🇭 Philippines 287 9 2,324 96
48 🇸🇮 SI 280 2 8,851 34
49 🇷🇴 Romania 267 7 4,123 56
50 🇵🇪 PE 257 5 6,386 56