（1） The number of members
JCM Membership now comprises 50 associations. Individual engineers who belong to 50 associations are 102,527 in 2011.
（2） JCM Ethics
JCM member shall, as a nationally licensed engineer, keep his/her pride and dignity, develop his/her professional skill, and contribute his/her efforts to the prosperity of the society.
1) Be proud of yourself as a nationally licensed engineer for civil works and devote yourself to improvement of your professional skill.
2) Produce the best performance with your professional knowledge and experience as a nationally qualified engineer.
3) Behave fairly and honestly taking into account the influence and importance of public works and serving as a good model.
4) Contribute your knowledge and skill to the society with a spirit of volunteerism in daily life as well as in a disaster.