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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 |
|---|---|---|---|---|---|
| 151 | 🇬🇵 GP | 6 | 0 | 240 | 1 |
| 152 | 🇲🇬 MG | 6 | 0 | 39 | 4 |
| 153 | 🇵🇸 PS | 6 | 0 | 132 | 6 |
| 154 | 🇨🇮 CI | 6 | 0 | 170 | 3 |
| 155 | 🇽🇰 XK | 6 | 0 | 9 | 3 |
| 156 | 🇳🇨 NC | 5 | 0 | 378 | 2 |
| 157 | 🇨🇬 CG | 4 | 1 | 18 | 1 |
| 158 | 🇸🇯 SJ | 4 | 0 | 0 | 1 |
| 159 | 🇹🇬 TG | 4 | 0 | 2 | 2 |
| 160 | 🇧🇲 BM | 3 | 0 | 95 | 2 |
| 161 | 🇯🇲 JM | 3 | 0 | 145 | 2 |
| 162 | 🇹🇴 TO | 3 | 0 | 1 | 2 |
| 163 | 🇧🇮 BI | 2 | 0 | 10 | 2 |
| 164 | 🇪🇷 ER | 2 | 0 | 60 | 1 |
| 165 | 🇬🇺 GU | 2 | 0 | 16 | 1 |
| 166 | 🇱🇮 LI | 2 | 0 | 0 | 1 |
| 167 | 🇧🇫 BF | 2 | 0 | 1 | 4 |
| 168 | 🇬🇲 GM | 2 | 0 | 41 | 2 |
| 169 | 🇸🇴 SO | 2 | 0 | 0 | 2 |
| 170 | 🇬🇫 GF | 2 | 0 | 41 | 1 |
| 171 | 🇲🇱 ML | 2 | 0 | 0 | 5 |
| 172 | 🇱🇸 LS | 2 | 0 | 13 | 1 |
| 173 | 🇭🇹 HT | 1 | 0 | 3 | 1 |
| 174 | 🇬🇼 GW | 1 | 0 | 5 | 1 |
| 175 | 🇻🇨 VC | 1 | 0 | 27 | 1 |
| 176 | 🇩🇲 DM | 1 | 0 | 0 | 1 |
| 177 | 🇲🇷 MR | 1 | 0 | 0 | 1 |
| 178 | 🇨🇼 CW | 1 | 0 | 51 | 1 |
| 179 | 🇸🇿 SZ | 1 | 0 | 10 | 1 |
| 180 | 🇻🇬 VG | 1 | 0 | 0 | 1 |
| 181 | 🇦🇴 AO | 1 | 1 | 0 | 1 |
| 182 | 🇼🇸 WS | 1 | 0 | 0 | 1 |
| 183 | 🇲🇶 MQ | 1 | 0 | 2 | 1 |
| 184 | 🇬🇳 GN | 1 | 0 | 0 | 1 |
| 185 | 🇱🇨 LC | 1 | 0 | 0 | 1 |
| 186 | 🇸🇨 SC | 1 | 0 | 0 | 2 |
| 187 | 🇳🇪 NE | 1 | 0 | 17 | 1 |
| 188 | 🇯🇪 JE | 1 | 0 | 94 | 1 |
| 189 | 🇹🇨 TC | 1 | 0 | 3 | 1 |
| 190 | 🇦🇸 AS | 1 | 0 | 0 | 1 |
| 191 | 🇬🇱 GL | 1 | 0 | 0 | 1 |
| 192 | 🇹🇻 TV | 1 | 0 | 0 | 1 |
| 193 | 🇱🇷 LR | 1 | 0 | 3 | 1 |
| 194 | 🇫🇲 FM | 1 | 0 | 0 | 1 |
| 195 | 🇧🇧 BB | 1 | 0 | 31 | 1 |
| 196 | 🇹🇩 TD | 1 | 0 | 1 | 1 |
| 197 | 🇬🇶 GQ | 1 | 0 | 1 | 1 |
| 198 | 🇻🇮 VI | 1 | 0 | 29 | 2 |
| 199 | 🇬🇩 GD | 1 | 0 | 387 | 1 |