Travel Visas: Requirements, Types, and Process

by Visagov | November 30, 2025

map with an aeroplane, camera and magnifying glass

Are you planning to travel internationally? If so, you will likely need to obtain a visa.

In simplest terms, a visa is an official document that allows a foreign citizen to enter a specific country. Whether you are traveling to visit family, as a tourist, a diplomat, a student, or a professional, the visa is your legal authorization for entry.

Today, many countries offer online visa applications (eVisas), which makes the process significantly faster and more convenient. However, some nations still require applicants to visit a consulate or embassy in person.

It is essential to research a country’s entry laws well before your trip. Immigration and visa requirements are specific to each nation and can vary based on your nationality, the type of visa you need, and changing global circumstances.

What travel documents are required? How do you successfully apply for a visa? In the following sections, we provide all the necessary information to help you manage the travel visa process, ensure a successful application, and understand what to do in the event of a visa denial.

What is a travel visa needed for?

A travel visa is an official document that legally allows you to enter a foreign country for a specific period of time. Through this mandatory requirement, governments are able to monitor and regulate the individuals entering and leaving their territory.

Generally, there are two main categories of visas: short-stay visas and long-stay visas. Short-stay visas are typically requested for tourism, business, or transit purposes, allowing a stay of up to 90 days. Long-stay visas are intended for those who wish to reside, work,

camera, binoculars, phone and hat on top of a map

What are the 6 most common types of visas?

There are numerous visa categories and subtypes; however, the most common ones are the tourist visa, the business visa, the student visa, the work visa, the transit visa, and the multi-entry visa.

Their purposes are quite straightforward:

  • The Tourist Visa: Used for leisure travel. It allows the bearer to enter a foreign country for sightseeing and recreation for a predetermined period. This visa does not entitle the holder to work or engage in any business activities in the host country.
  • The Work Visa: Required for professional or commercial purposes. These are mandatory for individuals who wish to take on employment. There are several types of work visas depending on the nature of the work and the length of stay, and they typically require sponsorship from an employer.
  • The Business Visa: Intended for those who need to enter a host country to engage in business activities (such as meetings or conferences) without joining the local labor market. The visitor must usually demonstrate that they are not receiving an income from a source within that country.
  • The Student Visa: Issued for educational purposes. This visa allows the bearer to enroll in a recognized educational institution in the host country.
  • The Transit Visa: Required for travelers who are stopping in a country that is not their final destination. This is a short-term visa, typically valid for only 24 hours to a few days, designed solely for passing through a country en route to another.
  • The Multi-entry Visa: Designed for those who need to enter and leave a specific country multiple times during the visa's validity without reapplying. Each individual stay is usually limited to a certain number of days, and some countries may also limit the total number of entries permitted.

What documents are needed for a visa?

It is important to remember that every country has its own specific policies, visa categories, and requirements. You can rely on Visagov to verify the exact documentation needed for all your travels.

Generally speaking, you will need:

  • A valid passport with at least 6 months of validity remaining beyond your trip dates.
  • A completed visa application form.
  • A recent passport-sized photo.

Depending on the country and visa type, other documents may be required, such as:

  • Proof of financial means (e.g., bank statements or payslips).
  • letter of invitation from a host or institution.
  • flight itinerary (round trip).
  • Proof of accommodation (hotel reservations).

backpacker seeing the sea and mountains

Is obtaining a travel visa difficult?

The travel visa process can often be arduous and time-consuming. Certain countries (such as North Korea, China, Russia, Saudi Arabia, and Bhutan) have more complex bureaucratic procedures. They may require extensive additional documentation, personal interviews, or, in some cases, may even restrict specific nationalities from entering the country.

However, with proper preparation, the visa application process becomes much more manageable. Furthermore, with Visagov, the entire experience is streamlined and faster. You simply provide us with the necessary documents, and we handle the rest. You won’t have to deal directly with government bureaucracies or unexpected setbacks.

How and where can I obtain a travel visa?

A travel visa can be obtained either in person or online.

Obtaining a visa in person requires you to physically visit the embassy or consulate of the country you intend to travel to. You should begin by checking their official website to find all necessary information regarding embassy requirements, consular services, the application process, required documents, processing times, and applicable fees. If you choose this method, it is highly recommended to start the process several months before your travel date.

Additionally, certain countries utilize application centers (such as VFS Global or TLScontact) which may offer extra services like expedited processing or visa consultations.

On the other hand, many countries now offer the option to apply for an eVisa online. This process is generally much simpler: you submit your documents digitally and receive the approved visa via email. This method tends to be significantly faster, meaning you typically only need to apply 15 to 20 days prior to your trip.

Reasons for visa denial

A visa denial can occur for multiple reasons. However, there are some common mistakes you can avoid to ensure a smoother process:

  • Inaccurate personal data: Errors in names, birth dates, addresses, contact numbers, and passport numbers are among the most common mistakes made when filling out forms. You should always double-check every entry.
  • Incomplete or vague information: Failing to state your complete travel itinerary, exact dates of entry and exit, accommodation details, or a local contact number can significantly impact the outcome of your application.
  • Incorrect documentation: Common errors include submitting photocopies when original documents are required, failing to provide all mandatory paperwork, or sending an incorrect photograph (wrong size, blurry, inappropriate attire, or an invalid background).
  • Applying for the wrong visa category: Ensuring the visa type matches your travel purpose is crucial.
  • Undisclosed criminal record: Failing to declare a criminal record when requested often leads to immediate rejection.
  • Past immigration violations: A history of overstaying during previous visits can result in a denial.
  • Insufficient financial means: Failing to provide adequate proof that you have enough funds to cover your entire stay.

Can a travel visa be declined?

Yes, it certainly can. If a travel visa is denied, the reason is usually stated by the embassy, consulate, or your trusted travel agency. In some cases, you may be allowed to appeal the decision or submit the missing documentation to rectify the application.

If an appeal is not an option, you will have to restart the entire process from scratch. Please note that this typically means you will have to pay the application fees again, either in full or in part.

different stamps on visas and passports

How does a travel visa differ from a passport?

These are two separate documents that serve different legal purposes. The main difference is that a passport is issued to a country’s citizen for international travel and identification; it verifies your identity and citizenship, allowing you to re-enter your home country without restrictions.

A visa, and specifically a travel visa, is an official endorsement (often a stamp or sticker) placed within a passport that grants permission to enter a foreign country for a specified period, whether for holidays or longer stays.

Additionally, while a passport is required in almost all cases when traveling abroad, a visa may not be necessary if there is a visa waiver agreement between two countries. Furthermore, a passport is typically valid for 5 to 10 years, whereas visas are usually valid for a much shorter duration, ranging from a few days to several months.

Which is more useful, a visa or a passport?

Both are essential legal documents for any international traveler. A passport is the prerequisite for a visa: you must possess a valid passport in order to apply for a travel visa, which will then be required to enter specific countries