Table 2

Distribution of country of origin of the senior author in each cohort

CountryNPG (before)NPG (after)Non-NPG (before)Non-NPG (after)Total
n%n%n%n%n%
USA15369.915971.07739.710342.649256.0
Germany219.6177.6189.3187.4748.4
UK146.4167.152.6197.9546.1
China52.341.8157.7208.3445.0
Japan31.431.32512.9104.1414.7
Canada41.831.373.6135.4273.1
France52.362.773.652.1232.6
Italy31.431.321.072.9151.7
South Korea73.683.3151.7
Switzerland31.410.442.131.2111.3
Australia10.510.452.620.891.0
Spain10.510.410.562.591.0
Austria31.431.320.880.9
Sweden63.120.880.9
The Netherlands10.531.520.860.7
Taiwan10.421.031.260.7
Denmark10.520.910.510.450.6
India10.510.431.250.6
Belgium21.010.430.3
New Zealand21.010.430.3
Finland10.510.420.2
Hungary20.820.2
Israel10.510.420.2
Portugal10.510.420.2
Singapore10.410.420.2
Argentina10.410.1
Bangladesh10.510.1
Brazil10.410.1
Bulgaria10.410.1
Cameroon10.410.1
Chile10.510.1
Greece10.410.1
Mexico10.410.1
Norway10.410.1
Poland10.410.1
Russia10.410.1
Total219224194242879
  • NPG, Nature Publishing Group.