States like Germany has given the right to inhabitants to ask for releasing them from its nationality. In such case, the national released will be no long nationality holder of that state.
A national may be deprived from the nationality of state in lieu of some crime he committed or other reasons as for punishment. For instance, a Russian may lose his nationality in case of his entry into foreign military service without permission.
C. RESIDING ABROAD FOR LONG
A German may loses his nationality if he stays abroad for ten years subject to not having undertaken the required legal steps.
D. NATURALIZATION ABROAD
Some states like UK may extinguish nationality of a person who has naturalized abroad.
A person may renounce his nationality of a state. This usually happens when a person has acquired dual nationality and has been asked to renounce one.
Here, a person loses his nationality in order to attain the nationality of another state which he wishes to attain.