Visitor Visa
The visitor visa is the most common type of visa in these countries UK, USA, Europe, Canada, Australia, New Zealand and is usually used by people who are coming to these countries for tourism, family visits, or business.
The applicant for the visitor visa must be able to demonstrate that they will be leaving the countries at the end of their stay for a maximum of six months in the state. In addition, applicants must demonstrate that they can afford to care for themselves (and any dependents) without access to public funds.
Several of the previous Visitor Visa categories have been replaced by the UK's Standard Visitor Visa:
How long does a visitor's access last?
The duration of a visitor's stay in these countries is typically limited to six months. If a holder is traveling for private medical treatment, they may be eligible to stay for up to 11 months. In addition, if you are an academic on sabbatical and traveling in the above countries for your spouse or civil partner, and your children may be permitted to remain for up to a year. You must leave the UK, USA, Europe, Canada, Australia, New Zealand when your visa runs out. If you don't leave the countries before your visitor visa runs out, it will hurt your immigration record and probably hurt at the time of immigration applications you make in the future.