How the period of status of residence is determined

The status of residence of "Engineer/Specialist in Humanities/International Services", which is one of the working visas, has a fixed period of stay of 3 months, 1 year, 3 years, and 5 years.
The period of stay of "3 months" is granted when the expected working period is within 3 months, so normally, the period of stay of "1 year" is the minimum.
If the period of stay is 1 year, it will be necessary to renew it the following year, but if it is 3 years, renewal procedures will not be necessary for 3 years.
Therefore, when renewing, it is better for the applicant to be granted a period of stay of multiple years.
In order to do so, it is necessary to fulfill the obligations imposed on foreigners such as various notifications and tax payments.
However, since "Engineer/Specialist in Humanities/International Services" is a qualification that accompanies working at a company, etc., the business situation of the place of employment is also a factor in making a decision.
Therefore, even if there is no problem with the activities of the individual, the period of stay may be "one year" depending on the business situation of the place of employment.