Your age doesn't matter. Go together. I usually do it so. This simplifies the control of the immigration officer, especially if your mother doesn't speak English or if she expect that you will guide her to the city and country.

In any case, to reassure you, you will do some queue, check how other people will behave. If a new policy is followed, you will find that other people will be split (from the group).

Your age doesn't matter. Go together. I usually do so. This simplifies the control of the immigration officer, especially if your mother doesn't speak English or if she expect that you will guide her to the city and country.

In any case, to reassure you, you will do some queuing, so check how other people behave. If a new policy is being followed, you will find that other people will be split (from their group).