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Table 3 Number of articles on climate change (threshold 300 articles) related to research specific parameters per country ranked by RGERD, GERD in bn PPP$ = gross expenditures for research and development in billion in US dollars (PPP = purchasing power parity), FTE = full-time equivalent, RGERD = number of articles per GERD in current bn PPP$, and RRES = number of articles per Researcher FTE/1000

From: Climate change: Does international research fulfill global demands and necessities?

Rank RGERD Country Articles GERD in bn PPP$ Researcher FTE/1000 R GERD RRES Rank RRES
1 New Zealand 523 2.14 18.70 244.34 27.97 1
2 Australia 3349 21.20 n/a 157.98 n/a n/a
3 Norway 917 6.86 34.37 133.77 26.68 2
4 South Africa 733 6.09 27.66 120.36 26.50 3
5 UK 5524 47.81 289.67 115.54 19.07 6
6 Canada 3126 27.18 155.13 115.01 20.15 5
7 Iran 339 3.32 51.96 102.19 6.52 20
8 Portugal 429 4.33 44.32 99.13 9.68 14
9 Finland 637 6.83 37.05 93.28 17.19 9
10 Greece 316 3.40 35.19 93.02 8.98 17
11 Netherlands 1595 18.01 85.30 88.58 18.70 7
12 Denmark 795 9.20 45.28 86.46 17.56 8
13 Sweden 1215 16.74 75.25 72.57 16.15 11
14 Spain 1458 21.37 133.20 68.23 10.95 13
15 Switzerland 1126 17.79 43.74 63.30 25.74 4
16 Austria 668 14.58 44.93 45.81 14.87 12
17 Mexico 501 11.03 29.92 45.44 16.74 10
18 Italy 1300 32.47 136.20 40.03 9.54 15
19 Belgium 503 14.18 56.48 35.48 8.91 18
20 France 1724 62.95 288.58 27.39 5.97 21
21 India 1300 49.75 282.99 26.13 4.59 22
22 Germany 3238 127.11 413.54 25.47 7.83 19
23 USA 12,637 543.25 1371.29 23.26 9.22 16
24 Brazil 688 39.90 179.99 17.24 3.82 23
25 Turkey 305 20.58 111.89 14.82 2.73 24
26 Russia 488 42.27 410.62 11.55 1.19 28
27 China 3508 495.98 1740.44 7.07 2.02 25
28 South Korea 621 89.83 383.10 6.91 1.62 27
29 Japan 1106 175.84 676.29 6.29 1.64 26
  1. Researcher FTE data for Australia was not available (n/a) [40]