List of countries and territories by border/area ratio
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This is a list of countries and territories by border/area ratio. For each
country A country is a distinct part of the world, such as a state, nation, or other political entity. It may be a sovereign state or make up one part of a larger state. For example, the country of Japan is an independent, sovereign state, while ...
or
territory A territory is an area of land, sea, or space, particularly belonging or connected to a country, person, or animal. In international politics, a territory is usually either the total area from which a state may extract power resources or a ...
, the total length of the land borders and the total surface area are listed, as well as the
ratio In mathematics, a ratio shows how many times one number contains another. For example, if there are eight oranges and six lemons in a bowl of fruit, then the ratio of oranges to lemons is eight to six (that is, 8:6, which is equivalent to the ...
between these two parameters. A high border/area ratio means that the country or territory has a long border compared to its surface area. A border/area ratio of zero indicates that the country has no land borders. Countries or territories that are connected only by
bridge A bridge is a structure built to span a physical obstacle (such as a body of water, valley, road, or rail) without blocking the way underneath. It is constructed for the purpose of providing passage over the obstacle, which is usually somethi ...
s or other man-made causeways are not considered to have land borders.


Border/area ratio


Extremes

The countries with the highest border/area ratios are some of the smallest, non-island, nations of the world, such as
Vatican City Vatican City (), officially the Vatican City State ( it, Stato della Città del Vaticano; la, Status Civitatis Vaticanae),—' * german: Vatikanstadt, cf. '—' (in Austria: ') * pl, Miasto Watykańskie, cf. '—' * pt, Cidade do Vati ...
,
Monaco Monaco (; ), officially the Principality of Monaco (french: Principauté de Monaco; Ligurian: ; oc, Principat de Mónegue), is a sovereign city-state and microstate on the French Riviera a few kilometres west of the Italian region of Lig ...
and
San Marino San Marino (, ), officially the Republic of San Marino ( it, Repubblica di San Marino; ), also known as the Most Serene Republic of San Marino ( it, Serenissima Repubblica di San Marino, links=no), is the fifth-smallest country in the world an ...
. Many island nations, lack any land borders and thus have a border/area ratio of zero.


See also

* How Long Is the Coast of Britain? *
List of countries by area This is a list of the world's countries and their dependent territories by land, water and total area, ranked by total area. Entries in this list include, but are not limited to, those in the ISO 3166-1 standard, which includes sovereign s ...
*
List of countries and territories by maritime boundaries __NOTOC__ This is a list of countries and territories by maritime boundaries with other countries and territories. The list encompasses adjacent maritime nations and territories with a special focus on the boundaries or borders which distinguish t ...
*
List of countries that border only one other country This is a list of countries that have a land border with only one other country. Some on this list have a maritime border with additional countries. Some countries, which are not listed here, have no land border but do have a maritime border with ...
* List of land borders by date of establishment *
List of divided islands This is a list of islands whose land is divided by one or more international borders. Sea islands Lake islands *''De facto'' between Russia (Crimea) ('' disputed'') and Ukraine ** Rotten Sea islands *Among Finland, Norway, and Sweden: **T ...
* List of island nations *
List of political and geographic borders Boundaries Below are separate lists of countries and dependencies with their land boundaries, and lists of which countries and dependencies border oceans and major seas. The first short section describes the borders or edges of continents and ...
* List of sets of countries that border one another * List of bordering countries with greatest differences in GDP (PPP) per person *
Separation barrier A separation barrier or separation wall is a barrier, wall or fence, constructed to limit the movement of people across a certain line or border, or to separate peoples or cultures. A separation barrier that runs along an internationally recogn ...
{{DEFAULTSORT:List of countries and territories by border area ratio Borders, land Countries And Territories By Border/Area Ratio Border area ratio