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Table 2 Average global share of physical activity research publications, 1950–2016

From: Global, regional, and national trends and patterns in physical activity research since 1950: a systematic review

Total number of physical activity publications (n = 23.860)

Income group***

Total publicationsper group

Top 5 countries contributionto the total in %

Group contributionto the total in %

High income (65 countries)

19,132

  

Top 5 countries

10,851

  

Top 5/Total High income (%)

56.72

45.5

80.2

Upper middle income (47 countries)

3546

  

Top 5

2549

  

Top 5/Total UMI (%)

71.88

10.7

14.9

Lower middle income (42 countries)

914

  

Top 5

629

  

Top 5/Total LMI (%)

68.82

2.6

3.8

Low income (22 countries)

268

  

Top 5

204

  

Top 5/Total LI (%)

76.12

0.9

1.1

  1. ****World Bank country income classification: High Income - HICs; Upper middle income - UMICs; Lower middle income - LMICs; Low income – LICs