To travel in Japan
It is principally necessary to apply for a "Short Term Stay" visa to an embassy or a consulate general of Japan in each country.
People from 68 countries can travel without the visas.
You can see which countries are exempted to get visa for "Travelling"
in the site of Ministry of Foreign Affairs of Japan. Pls. click the following:
To start living in Japan.
It is principally necessary to apply for a visa in accordance with its anticipated activities or its family status to an embassy or a consulate general of Japan in each country.
It is general that he or she is to apply for a certificate of eligibility before the visa application.
To start working in Japan
It is principally need to apply for change of its visa to a working visa or "PERMISSION TO ENGAGE IN ACTIVITY OTHER THAN THAT PERMITTED UNDER THE STATUS OF RESIDENCE PREVIOUSLY GRANTED", unless she or he has a working visa corresponding to the new job or a family status visa such as a spouse visa.
To change its job in Japan
It is not required to change its visa any time.
If the new job doesn't correspond to the current workin visa, she or he need to change its visa to a working visa corresponding to the new job.
If he or she has a family status visa such as a permanent resident visa, or a spouse visa, it is not necessary to change its visa.
To live in Japan beyond the maturity of its visa.
It is principally necessary to apply for extension of its visa.
It is can be applied from 3 months before the maturity to the maturity.
To bear or have a baby in Japan
It is princippaly required for a parent of the baby to apply for a visa on behalf of the baby, unless the baby can have citizenship of Japan.
She or he can apply for a "permanent resident", "spouse or other of Japanese", "spouse or other of permanent resident" or "dependent" visa.
To start living with family in Japan.
It is principally necessary to apply for a "dependent" visa to an embassy or a consulate general of Japan in each country.
It is general that he or she is to apply for a certificate of eligibility before the visa application.
To marry or to divorce in Japan.
It is not necessary to change its visa when she or he marry in Japan.
On the other hand, she or he with a working visa or non working visa might be able to apply for a spouse visa which shall have her or him be able to choose its job freely, if she or he marry with a Japanese citizen or a permanent resident.
It is not always required to change its visa, when she or he divorce.
It is required to apply for change of its visa when she or he with a spouse visa or dependent visa divorce and continue to live in Japan.
She or he may be able to apply for a working visa or long term resident visa if she or he has a job in Japan.