Translation guide
The English verb "apportion" means to divide and distribute something (such as money, resources, blame, or time) among several people or groups, often according to a plan or in a fair way. In Japanese, there is no single direct equivalent; the best choice depends on what is being divided and the context.
To divide and allocate funds, expenses, or resources among parties.
The most common and versatile verb for allocating or assigning a share of something to someone. Works for budgets, tasks, time, etc.
Apportion the budget to each department.
Emphasizes distribution according to a plan or ratio. Often used for resources, time, or work.
Apportion profits to shareholders.
A formal, technical term for proportional division, often used in accounting or legal contexts.
Apportion expenses according to income.
To assign portions of fault or duty to different people or groups.
To divide one's time or energy among different activities.
There is no single Japanese verb that covers all uses of 'apportion'. Using a dictionary equivalent like 割り当てる in every context can sound unnatural. Choose the expression based on what is being divided.
Apportion responsibility for the project among the team.
Apportion study time to each subject.