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Table 2 Top ten active countries in AMR in the environment research (2000–2019)

From: Bibliometric analysis of global research output on antimicrobial resistance in the environment (2000–2019)

Rank Country Frequency (%)
N = 2611
Number of publications/ GDP (nominal) per capita (10− 3)*
1 China 598 (22.9) 59.2
2 United States 511 (19.6) 7.8
3 India 196 (7.5) 89.1
4 United Kingdom 147 (5.6) 3.6
5 Canada 132 (5.1) 2.9
6 Germany 129 (4.9) 2.8
7 Spain 110 (4.2) 3.7
8 Brazil 101 (3.9) 11.5
9 Portugal 90 (3.4) 3.9
10 France 68 (2.6) 1.6
  1. (*) Number of publications/GDP (nominal) per capita was calculated by dividing the number of publications by the GDP (nominal) per capita for each country. Data on GDP (nominal) per capita was obtained from the World Bank data
  2. AMR antimicrobial resistance