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(Analysis as of January 2011)

The proportions of women in regular research-education employees (current as of December 1, 2010) at NINS is as follows: professors - 0.9 % (1/117), associate professors - 3.8% (5/131), assistant professors - 4.7% (11/236). The total proportion of women in regular research-education employees is 3.5% (17/484). The percentage of female part-time research employees (including specially appointed assistant professors) is 20.7% (64/309), and the percentage of female graduate students is 24.4% (52/213). At the same time, the proportion of female educators at national universities (equivalent to regular research-education employees at NINS) is as follows: professors - 7.2%, associate professors - 12.7%, assistant professors - 16.9%. Also, the proportion of women in academic societies (the Astronomical Society of Japan, the Japan Society of Plasma Science and Nuclear Fusion Research, the Molecular Biology Society of Japan, the Physiological Society of Japan + the Japan Neuroscience Society and the Chemical Society of Japan) associated with the 5 institutes of NINS (NAOJ, NIFS, NIBB, NIPS and IMS) is as follows: total official members - 8.3% (2,571/31,031), and student members - 26.9% (2,664/9,906). The total average value of the average value per society is 11.4% for official members and 20.0% for student members.

- It is recognized that the proportion of women declines as the hierarchy of positions increases, which is common throughout Japan.
- At present, the percentage of women in regular research-education employees at NINS is lower than the average value for national universities.
- It is also recognized that there is a trend of low proportion of women in research-education employees at NINS when compared to the proportion of women involved in related communities.

The percentage of female applicants to positions of regular research-education employees at NINS for the time period from when NINS became a corporation in 2004 until 2010 is as follows: professors and associate professors - 5.3% (47/888), assistant professors - 9.6% (91/945). This is a total average of 8.1% (138/1,695).

- The proportion of female applicants for regular research-education employees at NINS is notably less than the proportion for that of related communities (official members － 11.4%, student members － 20.0%).
- In the case of official recruitment, it can be seen that low numbers of female applicants can be given as a reason for the low proportion of women in research-education employees. Increasing the number of female applicants is a top priority for NINS in its efforts to promote gender equality.

(Analysis as of January 2012)

The proportion of women in research-education employees (current as of December 1, 2011) at NINS is as follows: professors - 1.7% (2/115), associate professors - 3.0% (4/134), assistant professors - 5.6% (13/233). The total proportion of women in regular research-education employees is 3.9% (19/482). The percentage of female part-time research employees (including specially appointed assistant professors) is 20.5% (65/317), and the proportion of female graduate students is 26.3% (52/213). The proportion of women in regular research-education employees at each of the 5 institutes of NINS is as follows: NAOJ - 3.1% (5/162), NIFS - 2.4% (3/127), NIBB - 5.2% (3/58), NIPS - 10.5% (6/57) and IMS - 2.6% (2/78).

(Analysis as of January 2013)

The proportion of women in research-education employees (current as of December 1, 2012) at NINS is as follows: professors - 2.0% (2/109), associate professors - 2.0% (3/122), assistant professors - 6.0% (12/208). The total proportion of women in regular research-education employees is 4.0% (18/470). The proportion of female part-time research employees (including specially appointed assistant professors) is - 29.0% (50/172), and the proportion of female graduate students is 26.0% (55/211).

Also, starting in July of 2011, NINS began the annual salary system, and the proportion of female employees on annual salary system is 25.0% (21/85).

The proportion of women in regular research-education employees at each of the 5 institutes of NINS is as follows: NAOJ - 9.0% (25/265), NIFS - 3.0% (6/179), NIBB - 24.0% (35/146), NIPS - 32.0% (58/182) and IMS - 12.0% (20/166). This is a total average of 15.0% (144/938).

(Analysis as of April 2013)

The proportion of women in research-education employees (current as of April 1, 2013) at NINS is as follows: professors - 1.9% (2/104), associate professors - 1.7% (2/116), assistant professors - 5.5% (11/200). The total proportion of women in regular research-education employees is 3.6% (16/449). The proportion of female part-time research employees (including specially appointed assistant professors) is - 26.5% (40/151), and the proportion of female graduate students is 28.2% (71/252).

Also, starting in July of 2011, NINS began the annual salary system, and the proportion of female research employees on annual salary system is 22.1% (19/86).

The proportion of women in regular research-education employees at each of the 5 institutes of NINS is as follows: NAOJ - 11.6% (33/285), NIFS - 3.4% (6/178), NIBB - 25.5% (41/161), NIPS - 29.6% (47/159) and IMS - 12.5% (19/152). This is a total average of 15.6% (146/938), including the Center for Novel Science Initiatives (CNSI) - 0.0% (0/3).

(Analysis as of April 2014)

The proportion of women in research-education employees (current as of April 1, 2014) at NINS is as follows: professors - 1.9% (2/107), associate professors - 2.5% (3/119), assistant professors - 5.4% (11/202). The total proportion of women in regular research-education employees is 3.7% (17/459). The proportion of female part-time research employees (including specially appointed assistant professors) is - 24.2% (29/120), and the proportion of female graduate students is 29.9% (73/244).

Also, NINS began the annual salary system starting in July of 2011 and a system for the employment of research administrator staff starting in October of 2013.The proportion of female research employees on annual salary system is 21.9% (25/114). The proportion of female research administrator staff is 25.0% (3/12).

The proportion of women in regular research-education employees, research administrator staff, research employees on annual salary system, part-time research employees, and graduate students at each of the 5 institutes of NINS is as follows: NAOJ - 12.8% (37/290), NIFS - 3.4% (6/178), NIBB - 26.1% (43/165), NIPS - 29.1% (46/158) and IMS - 9.2% (14/152). This is a total average of 15.5% (147/949), including the Center for Novel Science Initiatives (CNSI) - 0.0% (0/3) and the Research Enhancement Promotion Headquarters- 33.3% (1/3).

(Analysis as of April 2015)

The proportion of women in research-education employees (current as of April 1, 2015) at NINS is as follows: professors - 1.9% (2/104), associate professors - 5.0% (6/119), assistant professors - 6.0% (12/199). The total portion of women in regular research-education employees is 4.7% (21/449). The proportion of female research employees on annual salary system is 20.0% (27/135), and the proportion of female research administrator staff is 26.7% (4/15). The proportion of female part-time research employees (including specially appointed assistant professors) is 25.3% (22/87), and the proportion of female graduate students is 30.6% (68/222).

The proportion of women in regular research-education employees, research administrator staff, research employees on annual salary system, part-time research employees, and graduate students at each of the 5 institutes of NINS is as follows: NAOJ - 12.8% (36/282), NIFS - 4.8% (8/166), NIBB - 26.4% (38/144), NIPS - 25.3% (38/150) and IMS - 13.2% (20/152). This is a total average of 15.6% (142/908), including the Center for Novel Science Initiatives - 20.0% (1/5), Astrobiology Center - 0.0% (0/5) and the Research Enhancement Promotion Headquarters - 25.0% (1/4).