A vehicle registration plate, also known as a number plate or license plate or licence plate, is a metal or plastic plate attached to a motor vehicle or trailer for official identification purposes. All countries require registration plates for road vehicles such as cars, trucks, and motorcycles. Whether they are required for other vehicles, such as bicycles, boats, or tractors, may vary by jurisdiction. The registration identifier is a numeric or alphanumeric ID that uniquely identifies the vehicle or vehicle owner within the issuing region's vehicle register. In some countries, the identifier is unique within the entire country, while in others it is unique within a state or province. Whether the identifier is associated with a vehicle or a person also varies by issuing agency. There are also electronic license plates.
Number plates in Belgium are driver specific, meaning that they are transferred to a new vehicle from the owner's previous one.
The most common format for vehicle registration plates in Romania consists of black letters on white background in the format CC 12 ABC, where CC is a two letter county code, 12 is a two digit group, and ABC is a three letter group. For Bucharest, the format is B 12 ABC or B 123 ABC, where B is code for Bucharest city, 12 and 123 is a two or three digit group, and ABC is a three letter group. The left side of the plate bears a blue vertical strip displaying the 12 stars of the European Union and the country code of Romania (RO). Between 1992-2007 the band featured the Romanian flag instead of the 12 stars. All lettering comes from the Latin alphabet.
The Italian vehicle registration plates are the compulsory alphanumeric plates used to display the registration mark of motor vehicles registered in Italy. They have existed in the country since 1897.
Turkish vehicle registration plates are number plates found on Turkish vehicles. The plates use an indirect numbering system associated with the geographical info. In Turkey, number plates are made by authorized private workshops.
A vehicle registration plate, also known as a number plate, license plate or licence plate, is a metal or plastic plate or plates attached to a motor vehicle or trailer for official identification purposes. The registration identifier is a numeric or alphanumeric code that uniquely identifies the vehicle within the issuing authority's database. In Europe most countries have adopted a format for registration plates that satisfies the requirements in the Vienna Convention on Road Traffic, which states that cross-border vehicles must display a distinguishing code for the country of registration on the rear of the vehicle. This sign may be an oval sticker placed separately from the registration plate, or may be incorporated into the plate. When the distinguishing sign is incorporated into the registration plate, it must also appear on the front plate of the vehicle, and may be supplemented with the flag or emblem of the national state, or the emblem of the regional economic integration organisation to which the country belongs. An example of such format is the common EU format, with the EU flag above the country code issued in EU member states.
The registration plates of cars in Norway are maintained by the Norwegian Ministry of Transport and Communications. As in most countries, cars are identified only by number plates read visually. Each plate is a legal document that both identifies the vehicle and permits its use, and shall be returned to the registration authority when the vehicle is no longer in use.
Vehicle registration plates are mandatory number plates used to display the registration mark of a vehicle registered in France. They have existed in the country since 1901. It is compulsory for most motor vehicles used on public roads to display them.
Vehicle registration plates are the mandatory number plates used to display the registration mark of a vehicle, and have existed in Spain since 1900. Most motor vehicles which are used on public roads are required by law to display them. The government agency responsible for the registration and numbering of vehicles is the Directorate General of Traffic.
Malaysian registration plates are displayed at the front and rear of all private and commercial motorised vehicles in Malaysia, as required by law. The issuing of the number plates is regulated and administered by the Malaysian Road Transport Department or JPJ.
Standard Bulgarian vehicle registration plates display black glyphs on a white background, together with – on the left-hand side of the plate – a blue vertical "EU strip" showing the flag of Europe and, below it, the country code for Bulgaria: BG.
The Portuguese vehicle registration plate system for automobiles and motorcycles is simple and sequential. The system has no link to geographical locations or similar. It is an incremental numbering system consisting of three groups of two characters, separated by dashes. This system started in 1937 with AA–10–00, which ran out on 29 February 1992. This then went on to 00–01–AA and changed to 00–AA–01 in 2005. This last sequence was exhausted early in 2020, and it was announced on 3 March that it had been replaced by the sequence AA–00–AA. Moreover, the letters W and Y, never before used, and the letter K, used only for a short-lived series for imported vehicles in 1997, are being employed in the new system, meaning that this sequence should last more than six-and-a-half times as long as the previous. At current rates that it would not need replacing at least until the end of the 21st century, but the expected lifetime of the series is stated as being forty-five years.
Since Ukraine's independence in 1991, the country has used four main systems of vehicle registration plates.
Vehicle registration plates are displayed on all motorised road vehicles in Brunei, as required by law. The issue of registration plates is regulated and administered by the Brunei Land Transport Department. All vehicles must also display two of the same registration plates numbers of the same colours at the front and rear of the vehicles. All vehicle registration plates in Brunei, other than those issued to royalty, diplomats and taxis, have white characters on a black background, regardless of the vehicle type.
An Israeli vehicle registration plate, or an Israeli license plate, is a vehicle registration plate, a metal or plastic plate or plates attached to a motor vehicle or trailer, used in Israel for official identification purposes.
Vehicle registration plates in Trinidad and Tobago are categorised using prefixes based on the type of vehicle and feature up to four succeeding digits. Registration plates in Trinidad and Tobago are supposed to be either white figures on a black background or black figures on a white background. All motor vehicles that are operating in the roads of Trinidad and Tobago are required by law to have a registration plate affixed to the front and rear of the vehicle at all times except during very specific situations. This current system has been present for over 40 years.
Vehicle registration plates of Armenia have black characters on a rectangular white background. They are composed of two or three numbers, two letters in the middle, and two other numbers. At the left side is located the international code "AM" with an oval car plaque and, sometimes, the national flag. Starting from 6 August 2014 a new design of license plates was implemented. The license plates have a national flag on the left side, a security hologram and a machinery readable Data Matrix Code.
Vehicle registration plates are the alphanumeric plates used to display the registration mark of a vehicle, and have existed in the United Kingdom since 1904. It is compulsory for motor vehicles used on public roads to display vehicle registration plates, with the exception of vehicles of the reigning monarch used on official business.
Vehicle registration plates, commonly known as number plates, are the mandatory alphanumeric or numeric plates used to display the registration mark of a vehicle.
Libya requires its residents to register their motor vehicles and display vehicle registration plates. Current plates are European standard 520 mm × 110 mm.
Gibraltar 
