Top 20 States in Publication of Nanotechnology Articles

Based on the statistics which were obtained late January 2014 from the ISI Web of Science Database, China, the United States and India ranked first to third among the countries that produced the highest number of nanotechnology articles in 2013. The United States and China are still two giant nanoscience producers and they have published almost half of nanotechnology articles in 2013.

India has had the biggest growth among the top 20 countries, and by ascending three levels higher of where it was in 2012, it ranked third in 2013. South Korea showed one level upgrade and it ranked fourth in the world. Germany, Japan, and France are the next countries in this ranking. Iran is still in the eighth position although it showed an increase of 13.4% in comparison with the previous year.

The following table lists the top 20 countries in publication of nanotechnology articles.

Rank	Country	Nano-articles	Share (%)
1	China	33216	29.85
2	USA	20292	18.23
3	India	7463	6.71
4	South Korea	7221	6.49
5	Germany	7022	6.31
6	Japan	6738	6.05
7	France	4916	4.42
8	Iran	4406	3.96
9	UK	3816	3.43
10	Spain	3469	3.12
11	Italy	3417	3.07
12	Taiwan	3348	3.01
13	Russia	3068	2.76
14	Canada	2680	2.41
15	Australia	2609	2.34
16	Singapore	2058	1.85
17	Brazil	1739	1.56
18	Poland	1618	1.45
19	Switzerland	1490	1.34
20	Netherlands	1452	1.3

There are five Asian countries among the top 10 countries which indicates that nanotechnology research and development are one of the priorities of the Asian states.

The following table shows the share of nanotechnology articles from all articles published by the countries in 2013 (local share). According to this table, approximately one-fifth of the articles published by the Iranian and Singaporean researchers focused on nanotechnology. Other Asian countries possess the next ranks in the table.

Rank	Country	Local Share (%)
1	Singapore	19.22
2	Iran	18.7
3	China	16.14
4	India	15.82
5	South Korea	15.23
6	Belarus	15.11
7	Ukraine	14.55
8	Saudi Arabia	14.05
9	Malaysia	13.65
10	Taiwan	12.91
11	Vietnam	11.82
12	Romania	11.43
13	Russia	11.37
14	Egypt	11.28
15	Thailand	9.37
16	Japan	9.35
17	Bulgaria	8.98
18	Morocco	8.37
19	Czech Republic	7.89
20	Slovenia	7.88