REPORT TOOLBOX
INFO
Indicator : Nanotechnology publications per Million people (Article per million people)
Description : Ratio of nanotechnology-related articles to country population (per million people)
Source : Web of Science (ISI Web of Knowledge)
CHART TYPE Disabled in table mode
LINE BAR

INDICATOR TYPE
Regular

ZONE

All

▾
  • All
  • African Countries
  • Asia Nano forum (ANF)
  • Asian Countries
  • Economic Cooperation Organization (ECO)
  • European Countries
  • European Union
  • Latin American Countries
  • Middle East
  • North American Countries
  • Organisation of Islamic Cooperation (OIC)
COUNTRIES
YEAR

Nanotechnology publications per Million people (Article per million people)
2018
2019
2020
2021
2022
2023
1 Singapore Singapore 157.77 199.71 212.48 234.53 253.03 303.35 348.02 369.89 384.88 414.10 431.62 415.89 421.58 412.51 429.21 461.15 463.55 445.45 395.43
2 Brunei Brunei 57.57 111.86 181.11 253.72 260.58 302.75
3 Saudi Arabia Saudi Arabia 0.71 0.77 1.23 1.62 4.99 10.50 21.18 31.66 40.78 57.22 76.83 83.25 87.07 90.41 108.05 159.07 221.19 281.69 293.50
4 Switzerland Switzerland 95.06 116.78 121.57 141.74 148.38 166.78 178.08 193.45 192.97 209.07 221.43 236.82 236.75 236.43 240.93 248.90 248.29 239.35 231.53
5 South Korea South Korea 50.64 62.14 68.42 84.62 92.20 106.39 126.38 136.99 147.87 160.76 169.66 174.20 174.29 185.38 194.38 203.37 226.40 233.54 224.82
6 Finland Finland 52.23 65.51 80.93 97.49 103.21 112.06 119.89 128.00 135.32 157.28 163.52 171.42 183.18 187.65 193.42 205.62 220.54 212.53 201.10
7 Slovenia Slovenia 43.49 53.32 71.35 77.67 89.72 97.63 113.01 126.39 142.24 140.64 154.59 152.06 150.99 148.03 181.00 182.17 212.52 193.96 195.67
8 Australia Australia 35.45 44.64 52.77 62.12 71.13 75.71 94.45 100.62 118.27 130.39 146.96 151.34 158.24 172.79 195.78 210.64 220.92 214.64 189.88
9 Denmark Denmark 43.18 50.21 53.47 64.26 72.06 91.03 111.66 110.70 121.28 149.55 148.85 153.63 175.54 170.36 183.51 201.15 196.53 196.34 189.17
10 Sweden Sweden 66.23 76.43 77.50 83.84 88.19 102.90 118.95 128.79 143.54 157.69 158.79 169.10 184.14 182.11 180.18 199.06 210.55 202.73 187.35
11 Luxembourg Luxembourg 15.05 16.93 10.42 24.56 32.14 63.12 81.03 101.71 123.31 93.47 93.05 146.05 130.80 152.97 180.65 180.83 203.11 187.47 182.47
12 Taiwan Taiwan 58.15 75.00 80.61 96.61 106.97 115.91 133.75 131.77 126.02 187.34 191.73 180.77
13 Liechtenstein Liechtenstein 86.08 170.97 113.24 281.37 111.84 166.65 110.30 109.45 81.45 107.74 213.53 106.23 105.81 261.91 129.93 0.00 76.85 152.57 176.84
14 Czech Republic Czech Republic 27.62 33.30 35.34 42.56 47.01 53.37 59.16 63.17 75.33 86.55 103.64 105.90 113.08 112.51 140.84 159.19 171.05 163.21 154.96
15 Portugal Portugal 17.80 32.12 28.64 41.20 42.39 53.15 60.71 74.66 91.90 88.74 99.34 98.69 107.08 113.58 128.62 151.40 153.70 153.58 146.98
16 Iceland Iceland 20.22 26.33 32.10 50.41 65.93 59.74 56.42 81.07 123.55 116.07 123.94 125.21 107.75 155.93 155.31 144.63 126.17 138.78 144.82
17 Estonia Estonia 19.19 23.76 30.58 30.66 36.72 48.07 53.49 52.92 75.87 92.81 101.11 103.36 110.83 111.20 111.54 114.33 140.50 153.93 143.47
18 Qatar Qatar 1.16 2.97 2.52 3.60 0.00 2.81 5.64 12.80 22.22 42.12 81.85 120.93 112.67 101.20 106.87 169.54 153.63 151.01 142.47
19 Ireland Ireland 45.19 47.03 62.29 60.59 64.16 93.42 107.06 115.98 115.48 119.55 117.61 127.86 120.02 122.24 123.22 149.04 153.78 152.94 141.95
20 UAE UAE 1.53 0.38 1.82 2.47 3.00 3.75 7.26 10.45 10.99 13.56 18.89 20.72 29.72 40.92 58.40 74.73 90.44 114.92 139.75
21 Belgium Belgium 48.48 52.24 58.91 64.99 76.23 83.15 95.59 95.43 105.88 110.27 118.24 117.99 124.22 122.08 130.65 141.53 145.86 135.83 138.30
22 Austria Austria 45.33 50.92 53.88 63.57 67.00 78.32 84.13 77.70 83.14 87.69 96.61 99.81 110.49 111.31 117.79 123.25 138.79 143.77 133.59
23 Iran Iran 1.78 3.89 6.51 11.31 18.89 26.66 39.46 47.77 58.69 69.82 82.72 98.85 109.52 111.65 131.41 142.19 140.46 139.41 126.51
24 Norway Norway 22.93 25.75 33.55 34.81 40.80 39.88 49.87 58.78 65.75 58.01 66.88 68.77 83.38 84.72 95.93 118.79 132.02 126.44 126.46
25 Netherlands Netherlands 44.79 51.51 52.74 56.49 66.54 73.43 77.88 79.32 91.40 86.63 95.10 106.69 103.09 104.29 111.56 122.35 125.99 117.95 119.41
26 Spain Spain 30.31 35.43 42.14 46.68 53.02 58.96 65.66 73.87 78.89 84.70 87.26 96.66 96.73 102.29 105.93 114.39 118.40 116.79 118.97
27 Canada Canada 37.14 43.05 49.20 53.72 57.48 60.17 69.77 75.62 80.13 81.25 89.10 90.17 95.91 100.66 108.96 121.54 121.59 121.78 113.60
28 Latvia Latvia 12.06 17.13 12.27 19.29 21.01 22.41 28.64 36.38 33.29 33.10 54.61 46.44 47.37 44.62 47.55 64.20 77.47 95.57 106.82
29 Cyprus Cyprus 5.84 11.48 18.80 36.06 35.52 37.75 32.00 42.29 63.82 44.26 49.10 47.00 47.47 59.89 54.52 74.34 90.82 95.09 105.54
30 Germany Germany 48.03 54.53 59.62 63.77 69.52 76.59 85.33 87.42 91.76 96.70 98.46 104.54 106.38 105.96 111.79 117.64 119.67 111.14 105.27
31 Kuwait Kuwait 2.64 4.63 3.99 7.54 4.26 5.00 5.95 6.18 8.34 12.69 9.91 13.39 17.50 28.49 47.74 44.03 67.76 80.35 98.84
32 UK UK 31.41 36.63 40.85 46.39 49.65 51.41 54.05 56.48 61.99 66.94 72.49 83.95 85.97 88.35 92.61 102.19 102.54 100.91 97.57
33 Greece Greece 24.85 28.95 42.63 44.23 44.75 45.23 47.91 52.06 54.08 57.10 60.62 65.05 64.34 68.95 73.68 82.53 91.16 95.40 94.58
34 Poland Poland 21.90 24.67 26.08 29.72 29.88 31.60 33.84 38.23 44.19 50.62 58.42 64.39 67.02 66.65 77.39 89.58 91.42 92.78 93.03
35 Lebanon Lebanon 2.76 1.97 2.94 4.14 2.87 3.92 4.58 5.09 7.77 7.67 9.03 13.70 10.41 13.44 21.79 29.67 27.18 28.23 92.46
36 Italy Italy 26.48 29.32 35.40 38.18 42.08 44.94 50.86 54.23 58.57 61.36 66.41 69.36 72.35 72.57 78.22 89.49 93.25 92.89 92.27
37 Lithuania Lithuania 18.36 26.91 28.16 36.27 30.67 30.67 44.25 45.85 47.00 56.61 70.23 60.66 65.76 66.39 79.45 93.38 87.83 94.95 91.93
38 Slovakia Slovakia 17.87 22.89 29.03 32.72 29.52 33.02 32.79 41.98 41.93 54.81 50.52 47.14 70.78 60.59 69.49 79.69 86.65 80.27 89.37
39 Malaysia Malaysia 2.03 3.63 3.76 5.72 10.80 17.54 26.89 31.30 40.33 48.43 52.03 56.05 55.81 53.40 74.44 86.66 94.54 96.50 87.03
40 France France 44.60 48.71 50.83 59.84 62.05 65.86 70.47 74.08 78.59 79.07 83.19 86.72 88.47 83.79 89.39 96.45 94.38 87.63 85.74
41 China China 6.43 8.00 9.46 11.52 13.20 15.05 18.55 20.99 25.31 30.20 34.49 37.31 42.73 48.85 57.20 60.67 69.34 83.27 81.06
42 New Zealand New Zealand 19.84 31.78 26.28 41.08 32.77 40.68 49.04 46.05 48.63 55.21 54.02 55.15 68.97 68.15 74.51 79.17 82.95 86.65 76.39
43 Tunisia Tunisia 5.94 7.85 6.41 8.74 10.93 10.53 14.40 15.34 19.16 25.31 34.08 40.16 43.64 40.89 43.57 53.12 67.68 81.09 73.20
44 USA USA 37.70 41.51 44.96 48.43 50.97 56.27 60.54 63.53 67.39 69.89 72.26 75.12 76.83 78.32 80.54 82.86 77.97 74.28 69.05
45 Croatia Croatia 11.93 14.64 16.68 16.91 19.19 19.69 29.67 34.45 31.96 31.85 34.97 36.65 47.28 41.59 53.38 56.82 67.80 75.25 68.51
46 Bahrain Bahrain 1.12 1.04 5.79 4.49 10.97 12.09 15.65 8.46 19.01 26.94 25.51 34.37 27.44 41.69 44.17 50.76 58.77 63.17 67.32
47 Romania Romania 10.84 12.79 21.55 27.36 24.75 32.35 39.01 37.89 44.54 40.79 49.46 45.83 43.55 43.70 54.36 57.31 65.64 71.95 65.02
48 Turkey Turkey 2.87 3.50 4.60 6.45 7.92 10.11 11.84 13.73 17.36 19.91 22.74 26.88 27.80 30.25 38.50 45.69 52.37 59.44 63.49
49 Japan Japan 40.35 43.30 44.47 47.21 48.01 48.51 52.47 52.15 54.25 55.80 55.71 57.96 58.90 59.14 62.42 67.99 67.19 65.99 62.67
50 Hungary Hungary 27.16 26.31 27.05 32.38 29.63 26.80 32.09 35.89 36.79 42.97 39.11 41.98 46.69 48.80 50.97 59.28 66.53 63.51 62.46
51 Oman Oman 1.99 2.71 1.50 5.07 6.59 4.93 4.94 9.52 9.70 12.62 13.12 18.31 18.43 22.82 38.02 39.62 54.64 69.49 58.78
52 Serbia Serbia 2.96 10.66 20.59 19.46 29.50 24.28 27.92 38.62 38.94 45.30 40.87 45.76 42.16 48.12 49.24 54.21 58.67 62.87 58.17
53 Iraq Iraq 0.00 0.18 0.21 0.21 0.33 0.46 0.79 1.46 3.90 4.31 4.55 7.16 9.61 10.37 20.28 26.67 29.95 47.33 57.93
54 Egypt Egypt 0.86 1.43 2.01 2.45 3.61 4.32 5.46 7.42 9.50 12.09 14.12 15.93 18.57 21.16 28.60 40.02 48.95 60.31 56.73
55 Jordan Jordan 2.80 3.88 3.23 6.93 6.30 6.27 6.20 7.38 7.73 6.81 9.93 9.11 12.36 13.29 18.23 29.37 34.18 49.00 51.25
56 Bulgaria Bulgaria 14.88 15.13 24.78 23.62 27.67 23.53 28.99 25.73 30.97 28.10 29.53 31.01 33.92 28.33 34.26 39.80 39.69 45.63 48.68
57 Russia Russia 11.82 13.18 14.77 16.15 17.54 18.72 19.82 20.10 22.06 24.53 29.16 31.54 33.55 37.11 44.71 47.49 48.50 47.97 46.95
58 Chile Chile 2.91 6.00 5.70 6.30 7.19 8.89 9.27 12.54 13.51 15.05 16.31 20.59 21.76 27.22 27.47 30.21 33.55 32.65 38.51
59 Armenia Armenia 7.71 7.44 10.23 18.57 11.77 14.60 15.65 17.35 13.48 16.17 23.24 24.18 18.34 18.33 23.75 26.02 22.93 29.85 37.44
60 Belarus Belarus 11.69 9.37 10.88 15.74 13.78 15.38 15.52 19.12 16.06 15.83 18.34 19.26 21.69 22.78 39.70 34.86 36.76 40.07 31.71
61 South Africa South Africa 1.81 2.14 2.37 3.17 3.96 4.90 5.99 7.26 8.63 10.27 11.52 14.66 15.24 15.87 20.30 24.97 24.18 25.90 26.50
62 Thailand Thailand 1.36 2.22 3.04 4.84 5.14 5.70 6.28 7.28 8.32 9.08 9.44 11.06 13.34 14.26 15.85 20.64 25.03 28.20 25.99
63 Ukraine Ukraine 8.43 8.66 9.80 12.34 10.44 11.97 14.53 13.31 15.30 16.92 15.61 15.91 17.09 18.09 22.28 24.59 23.57 28.42 24.19
64 Pakistan Pakistan 0.10 0.20 0.39 0.56 0.71 0.86 1.32 1.91 2.53 3.37 4.55 6.17 8.03 8.94 12.71 16.53 20.24 24.22 24.06
65 Moldova Moldova 10.29 9.20 8.39 14.01 16.27 15.44 17.42 16.86 13.49 19.12 19.76 24.62 23.59 20.69 24.40 19.73 25.24 18.13 23.32
66 Palestine Palestine 13.90 20.24 22.45
67 Malta Malta 22.70 27.77 27.17 30.86 26.75 21.69
68 Algeria Algeria 0.87 1.66 1.84 2.21 2.54 2.85 3.04 3.78 3.78 4.78 6.42 7.15 8.94 8.87 12.62 15.44 17.81 20.29 20.28
69 Morocco Morocco 0.98 0.78 0.83 1.30 1.28 1.88 2.34 2.73 3.75 3.55 4.13 5.44 6.32 7.46 10.33 13.57 16.99 19.78 20.24
70 Botswana Botswana 8.97 13.60 18.46 21.63 19.77 20.18
71 Georgia Georgia 1.43 0.73 1.96 2.48 3.27 4.33 3.10 3.40 2.38 4.02 6.71 4.83 5.10 4.83 8.06 11.82 14.56 11.04 19.94
72 India India 1.25 1.62 2.06 2.50 2.95 3.49 4.42 4.81 6.05 7.29 7.87 8.72 9.41 10.25 12.01 13.65 15.33 17.77 19.04
73 Uruguay Uruguay 2.10 2.70 2.99 4.18 5.35 4.15 9.75 9.13 9.68 9.65 12.60 10.51 16.88 15.76 19.54 20.12 21.01 16.36 18.70
74 Kazakhstan Kazakhstan 0.26 0.26 0.45 0.89 1.18 1.23 0.97 1.37 3.29 3.47 3.25 5.00 6.65 7.11 14.42 17.86 20.63 19.16 18.54
75 Brazil Brazil 3.32 3.86 4.39 5.04 5.37 6.00 6.56 7.66 8.93 9.94 10.51 12.66 13.83 14.64 17.26 20.13 20.20 18.34 18.11
76 Azerbaijan Azerbaijan 1.43 1.77 0.82 2.17 2.12 4.20 5.12 2.80 3.29 2.94 3.21 6.05 6.49 8.45 11.87 11.89 12.13 12.38 17.50
77 Vietnam Vietnam 0.23 0.52 0.53 1.33 0.80 0.98 1.59 1.48 3.12 3.26 3.98 4.86 5.53 8.09 13.94 25.05 19.92 16.92 16.28
78 Mexico Mexico 3.16 3.14 3.48 4.61 4.71 4.40 4.95 5.72 6.28 6.89 8.33 8.85 10.28 11.29 13.41 15.14 15.20 15.68 14.60
79 Argentina Argentina 3.81 4.63 5.20 6.12 7.60 9.65 8.74 9.88 10.13 11.10 12.20 13.28 14.10 15.33 16.09 16.62 15.19 15.18 14.34
80 Montenegro Montenegro 3.21 4.82 3.22 6.46 4.87 12.98
81 Ecuador Ecuador 0.00 0.07 0.21 0.00 0.14 0.07 0.13 0.06 0.26 1.51 2.10 2.67 3.04 3.88 5.59 6.25 6.97 7.56 11.21
82 Bosnia Bosnia 0.26 0.00 0.26 0.53 1.60 0.54 1.08 2.47 1.94 2.24 2.33 3.84 4.18 7.65 7.44 7.53 10.39 12.68 10.90
83 Colombia Colombia 0.95 1.03 1.55 2.58 1.96 2.74 2.54 3.48 2.89 3.52 4.21 4.03 5.66 6.55 9.17 10.15 9.53 9.87 10.19
84 Libya Libya 2.01 5.33 5.86 7.13 6.61 8.71
85 Uzbekistan Uzbekistan 0.46 0.76 0.71 0.70 1.08 1.02 1.09 0.94 0.36 0.94 0.86 0.82 0.96 0.97 1.31 1.72 2.03 4.82 7.83
86 Costa rica Costa rica 0.47 0.70 0.69 2.03 1.34 1.54 0.87 1.72 1.91 3.15 2.27 2.04 3.84 3.17 4.33 7.22 6.79 9.84 7.10
87 Yemen Yemen 0.00 0.00 0.14 0.00 0.00 0.25 0.12 0.48 0.70 0.65 0.60 0.88 1.47 1.62 2.41 3.62 5.46 7.72 6.42
88 Sri lanka Sri lanka 1.03 0.92 0.86 0.56 0.50 0.65 0.89 1.13 1.12 1.49 1.76 2.08 3.26 2.95 3.26 5.16 5.19 5.32 5.85
89 Peru Peru 0.33 0.14 0.78 0.35 0.55 0.48 0.17 0.20 0.33 0.65 0.89 0.87 0.99 0.81 1.95 2.16 3.71 4.67 5.76
90 Cuba Cuba 3.81 3.54 2.57 3.71 3.62 2.21 3.79 4.30 4.21 3.50 4.06 4.41 4.94 4.86 5.39 5.84 5.06 4.55 4.73
91 Bangladesh Bangladesh 0.03 0.06 0.16 0.16 0.23 0.28 0.24 0.44 0.45 0.56 0.67 0.91 1.28 1.37 2.16 3.12 3.71 4.32 4.66
92 Indonesia Indonesia 0.02 0.03 0.04 0.09 0.09 0.17 0.20 0.28 0.37 0.42 0.43 0.55 0.78 1.11 2.21 2.77 3.46 4.12 4.66
93 Panama Panama 0.00 0.00 0.29 0.00 0.28 0.27 0.54 0.00 0.52 1.54 0.25 0.99 1.46 1.44 1.65 3.03 4.14 2.72 4.48
94 Cameroon Cameroon 0.23 0.06 0.16 0.32 0.46 0.35 0.44 0.28 0.83 0.45 0.86 1.67 1.42 1.75 2.02 3.10 3.24 3.58 3.98
95 Nigeria Nigeria 0.03 0.02 0.08 0.05 0.08 0.16 0.17 0.17 0.19 0.35 0.49 0.72 1.10 1.09 2.06 2.95 2.97 3.86 3.85
96 Ethiopia Ethiopia 0.67 1.29 1.94 2.95 5.02 3.79
97 Jamaica Jamaica 0.36 0.00 1.08 0.36 0.36 0.35 0.35 2.11 0.70 0.35 0.69 0.69 1.37 1.78 1.07 0.71 0.71 2.12 3.54
98 Albania Albania 0.00 0.00 0.34 0.00 0.00 0.34 0.00 0.69 1.04 0.35 0.35 2.43 0.70 1.05 1.75 2.82 3.91 5.40 3.28
99 Ghana Ghana 1.23 1.87 2.45 2.53 4.06 3.05
100 Sudan Sudan 1.29 1.43 1.58 2.58 3.35 2.85
101 Kyrgyzstan Kyrgyzstan 0.19 0.00 0.19 0.00 0.56 0.00 1.27 1.25 1.75 1.03 0.84 1.15 0.48 0.63 1.08 1.22 2.69 4.70 2.68
102 Nepal Nepal 0.04 0.27 0.11 0.19 0.15 0.22 0.40 0.69 0.96 0.92 0.85 1.10 0.65 0.70 1.21 1.81 1.96 3.24 2.56
103 Syria Syria 0.11 0.00 0.25 0.30 0.53 0.62 0.48 0.44 0.56 0.68 0.83 1.26 1.70 0.67 1.39 2.26 2.20 2.76 1.81
104 North Korea North Korea 0.00 0.00 0.04 0.12 0.04 0.33 0.08 0.32 0.16 0.20 0.32 0.47 0.67 0.86 1.51 1.08 1.69 1.61 1.57
105 Tajikistan Tajikistan 0.44 0.29 0.84 0.82 0.40 0.65 0.77 1.25 0.49 0.60 1.54 0.46 0.90 0.33 1.93 0.94 1.33 1.51 1.28
106 Philippines Philippines 0.08 0.14 0.08 0.09 0.09 0.17 0.13 0.18 0.34 0.42 0.33 0.41 0.74 0.65 1.05 1.16 1.30 1.15 1.22
107 Kenya Kenya 0.06 0.00 0.03 0.08 0.07 0.17 0.12 0.16 0.07 0.13 0.06 0.33 0.50 0.54 0.92 1.50 0.92 1.50 1.20
108 Venezuela Venezuela 1.12 1.03 1.08 1.63 1.22 1.45 1.26 1.81 1.65 0.91 1.63 1.17 1.22 1.24 1.66 1.51 1.21 0.71 1.18
109 Senegal Senegal 0.27 0.43 0.42 0.25 0.72 0.77 0.38 0.44 0.28 0.27 0.27 0.47 0.91 1.09 1.00 1.16 0.95 1.27 0.96
110 Benin Benin 0.17 0.65 0.63 1.62 1.05 0.95
111 Zimbabwe Zimbabwe 0.08 0.00 0.08 0.07 0.00 0.00 0.00 0.00 0.07 0.19 0.22 0.43 0.91 0.73 0.65 1.08 1.00 1.10 0.84
112 Zambia Zambia 0.06 0.22 0.48 0.46 1.05 0.68
113 Tanzania Tanzania 0.24 0.53 0.52 0.61 0.46 0.62
114 Uganda Uganda 0.19 0.14 0.27 0.35 0.38 0.62
115 Afghanistan Afghanistan 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.03 0.00 0.00 0.00 0.08 0.03 0.08 0.05 0.30 0.39 0.57
116 Ivory Coast Ivory Coast 0.35 0.50 0.52 0.58 0.67 0.55
117 Bolivia Bolivia 0.33 0.00 0.11 0.21 0.20 0.00 0.20 0.00 0.00 0.09 0.18 0.36 0.09 0.17 0.42 0.34 0.25 0.41 0.48
118 Turkmenistan Turkmenistan 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.35 0.52 0.16 0.00 0.00 0.00 0.16 0.46
119 Myanmar Myanmar 0.11 0.25 0.37 0.17 0.24 0.42
120 Paraguay Paraguay 0.00 0.17 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.15 0.29 0.16 0.46 0.00 0.90 0.59 0.29
121 Honduras Honduras 0.20 0.20 0.40 0.39 0.58 0.28
122 Angola Angola 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.07 0.10 0.00 0.00 0.03 0.15 0.03 0.08 0.19
123 Mozambique Mozambique 0.07 0.23 0.19 0.31 0.18 0.18
World World 6.85 7.85 8.72 9.97 10.74 11.80 13.53 14.44 16.13 17.62 18.93 19.88 21.13 22.30 25.16 27.02 29.00 31.61 30.75
Nanotechnology publications per Million people (Article per million people)