Skip to main content

Table 1 Socioeconomic features of global vitamin D research. Economic data were obtained from the World Economic Outlook Database of the International Monetary Fund [27]

From: World-wide research architecture of vitamin D research: density-equalizing mapping studies and socio-economic analysis

  No. of articles GDP in 1000 bn USD GDP per Capita Population total in Mil. Articles/GDP in 1000 bn USD Ranking 1 Articles/GDP per Capita Ranking 2 Articles/Population in Mil. Ranking 3
USA 9575 17,420 54.8 318.9 549.66 HI18 174.73 HI1 30.03 HI13
Japan 2272 4616 37.8 127.1 492.2 HI21 60.11 HI2 17.88 HI16
Ukraine 1855 2945 37.7 63.74 629.88 HI13 49.2 HI3 29.1 HI15
Germany 1240 3860 44.7 80.99 321.24 HI25 27.74 HI5 15.31 HI18
Canada 1183 1789 44.5 34.83 661.26 HI10 26.58 HI6 33.96 HI11
France 1163 2847 40.4 66.25 408.5 HI22 28.79 HI4 17.55 HI17
Italy 800 2148 34.5 61.68 372.44 HI23 23.19 HI7 12.97 HI20
Australia 795 1444 46.6 22.5 550.55 HI17 17.06 HI9 35.33 HI10
Denmark 732 0.341 44.3 5.56 2147.89 HI1 16.52 HI10 131.65 HI1
Spain 712 1407 33 47.73 506.04 HI20 21.58 HI8 14.92 HI19
Netherlands 636 0.866 47.4 16.87 734.07 HI7 13.42 HI13 37.7 HI9
China 632 10,380 12.9 1355.7 60.89 UMI8 48.99 UMI1 0.47 UMI9
Belgium 540 0.535 41.7 10.44 1009.91 HI4 12.95 HI14 51.72 HI5
Israel 527 0.304 33.4 7.82 1734.69 HI2 15.78 HI11 67.39 HI4
Sweden 488 0.570 44.7 9.72 855.99 HI5 10.92 HI15 50.21 HI7
Finland 436 0.271 40.5 5.26 1607.67 HI3 10.77 HI16 82.89 HI2
Turkey 410 0.806 19.6 81.61 508.62 UMI3 20.92 UMI2 5.02 UMI2
Switzerland 409 0.712 55.2 8.06 574.36 HI14 7.41 HI19 50.74 HI6
Norway 355 0.500 65.9 5.14 709.72 HI8 5.39 HI21 69.07 HI3
Poland 347 0.547 24.4 38.34 634.83 HI12 14.22 HI12 9.05 HI22
South Korea 325 1410 35.4 49.03 230.5 HI28 9.18 HI17 6.63 HI25
Austria 310 0.437 45.4 8.22 709.22 HI9 6.83 HI20 37.71 HI8
India 309 2050 5.8 1236.3 150.73 LMI4 53.28 LMI1 0.25 LMI3
Iran 222 0.404 16.5 80.84 549.37 UMI2 13.45 UMI4 2.75 UMI3
Brazil 206 2353 15.2 202.6 87.55 UMI7 13.55 UMI3 1.02 UMI7
Argentina 194 0.540 22.1 43.02 359.13 HI24 8.78 HI18 4.51 HI30
New Zealand 147 0.198 35 4.4 742.05 HI6 4.2 HI24 33.41 HI12
Saudi Arabia 147 0.753 52.8 27.34 195.35 HI29 2.78 HI28 5.38 HI28
Ireland 141 0.246 46.8 4.83 572.24 HI15 3.01 HI26 29.19 HI14
Greece 133 0.238 25.8 10.77 558.82 HI16 5.16 HI22 12.35 HI21
Russia 124 1857 24.8 142.47 66.77 HI32 5 HI23 0.87 HI32
Taiwan 123 0.530 43.6 23.35 232.25 HI27 2.82 HI27 5.27 HI29
South Africa 96 0.350 12.7 48.37 274.21 UMI4 7.56 UMI5 1.98 UMI4
Hungary 89 0.137 24.3 9.91 649.16 HI11 3.66 HI25 8.98 HI23
Egypt 77 0.286 11.1 86.89 268.85 LMI2 6.94 LMI4 0.89 LMI2
Thailand 73 0.374 14.4 67.74 195.29 UMI5 5.07 UMI6 1.08 UMI6
Czech Republic 64 0.206 28.4 10.62 311.13 HI26 2.25 HI29 6.03 HI26
Ukraine 64 0.131 8.2 44.29 489.67 LMI1 7.8 LMI3 1.45 LMI1
Mexico 63 1283 17.9 120.28 49.1 UMI9 3.52 UMI7 0.52 UMI8
Chile 48 0.258 23.2 17.36 186.05 HI30 2.07 HI30 2.76 HI31
Lebanon 39 0.050 17.9 5.88 781.25 UMI1 2.18 UMI8 6.63 UMI1
Pakistan 39 0.250 4.7 196.2 155.94 LMI3 8.3 LMI2 0.2 LMI4
Romania 35 0.200 19.4 21.72 175 UMI6 1.8 UMI9 1.61 UMI5
Singapore 32 0.308 81.3 5.56 103.86 HI31 0.39 HI32 5.76 HI27
Croatia 31 0.057 20.4 4.47 542.34 HI19 1.52 HI31 6.94 HI24
  1. Countries were classified as high-income, upper middle-income, or lower middle-income countries