In order to establish how much pension you can get your full curriculum vitae starting with your school education is relevant. In addition to the time period during which you paid your contributions it is relevant which education you received, for how long and with which result. Furthermore, it is important if you served in the military or did the substituting social service, if during WWII you were soldier, prisoner of war or refuge. Also, times of pregnancy, unemployment, disability and periods of raising a child are relevant, under the condition that you lived in Germany during these periods of your life and that you had paid contributions before. Therefore, please give as many details as you can and support your application with documentation (i.e. certificates, diplomas, birth certificates of your children).