Illegal entry is the act of foreign nationals arriving in or crossing the borders into a country in violation of its immigration law.
Migrants from nations that do not have automatic visa agreements, or who would not otherwise qualify for a visa, often cross the borders illegally in some areas like the United States–Mexico border, the Mona Channel between the Dominican Republic and Puerto Rico, the Strait of Gibraltar, Fuerteventura, and the Strait of Otranto. These methods are often dangerous: migrants have been known to suffocate in shipping containers, boxcars and trucks, sink in shipwrecks caused by unseaworthy vessels or die of dehydration or exposure during long walks without water.
Human smuggling is the practice of intermediaries aiding unlawful migrants in crossing international borders for financial gain, often in large groups. Human smuggling differs from, but is sometimes associated with, human trafficking. A human smuggler will facilitate illegal entry into a country for a fee, but on arrival at their destination, the smuggled person is usually free. Trafficking involves a process of using physical force, fraud, or deception to obtain and transport people, usually for the purpose of forced labor or prostitution at the destination.
By country 
Presently, India is constructing a fence along the border to restrict illegal traffic from Bangladesh. The Indo-Bangladeshi barrier is 4,000 kilometers (2,500 mi) long. The stated aim of the fence is to stop infiltration of terrorists, prevent smuggling, and to bring a close to illegal immigration from Bangladesh.
In Australia, mandatory immigration detention was revived in 1992 for all foreigners who arrive in Australia without a visa. That only "border applicants" are subject to detention has sparked criticism, as it is claimed to unfairly discriminate against certain migrants.
Suspected Illegal Entry Vessel was the name used by the Australian Defence Force or Australian Coastwatch for maritime vessels which were suspected to be attempting to reach Australia without authorisation. In practice, these boats were almost exclusively carrying asylum seekers who had departed from Indonesia on the final leg of a journey which started in countries such as Iraq and Afghanistan after paying people smugglers.
During 1933-1948, the British government limited Jewish immigration to Palestine with quotas, and following the rise of Nazism to power in Germany, illegal immigration to Palestine commenced. The illegal immigration was known as Aliyah Bet ("secondary immigration"), or Ha'apalah, and was organized by the Mossad Le'aliyah Bet, as well as by the Irgun. Immigration was done mainly by sea, and to a lesser extent overland through Iraq and Syria. Beginning in 1939 Jewish immigration was further restricted, limiting it to 75,000 individuals for a period of five years after which immigration was to end completely. During World War II and the years that followed until independence, Aliyah Bet became the main form of Jewish immigration to Palestine. Despite British efforts to curb the illegal immigration, during the 14 years of its operation, 110,000 Jews immigrated to Palestine.
Turkey, which is a transit point for unauthorized migrants trying to reach Europe, has been accused of being unable to secure its borders with Greece. Since 1996, 40 unauthorized migrants have been killed by mines, after entering Greek territory in Evros. In 2001, about 800 illegal immigrants were rescued by the Greek coastguards after a fire broke out on board the Turkish-flagged Brelner, believed to have set sail from the Turkish port of İzmir, probably en route to Italy. Once in July 2004 and a second time in May 2006, Hellenic Coast Guard ships were caught on film cruising as near as a few hundred meters off the Turkish coast and abandoning clandestines to the sea. This practice resulted in the drowning of six people between Chios and Karaburun on 26 September 2006 while three others disappeared and 31 were saved by Turkish gendarmes and fishermen. Three of the drowned were Tunisians, one was Algerian, one Palestinian and the other Iraqi. The three disappeared were also Tunisians.
As a result of bilateral negotiations, a readmission agreement was signed between Turkey and Greece in November 2001 and went into effect in April 2002. For third country nationals, this protocol gives the parties 14 days to inform each other of the number of persons to be returned after the date of illegal entry. For nationals of the two countries the authorities can make use of simplified procedures. But the strict application of the agreement is reported to have retrograded as of 2003.
Hong Kong 
The illegal entry of Vietnamese refugees was a concern for the Hong Kong government for 25 years. The issue was first resolved in 2000. Between 1975 and 1999, 143,700 Vietnamese refugees were resettled in other countries and more than 67,000 Vietnamese migrants were repatriated.
On 23 March 2007, 15 British Royal Navy personnel, from HMS Cornwall, were surrounded by the Navy of the Iranian Revolutionary Guards and were subsequently detained off the Iraq-Iran coast. Iran's director general for Western European affairs, Ibrahim Rahimpour, said that the British boats had made "illegal entry" into Iranian territorial waters and that the personnel "were arrested by border guards for investigation and questioning". On 24 March, the Iranian Fars News Agency said the navigational equipment seized on the British boats shows the sailors were aware that they were operating in Iranian waters. On the same day, General Ali Reza Afshar, a top military official, said the sailors had confessed to illegal entry into Iran's waters.
On January 25, 2008, Egyptian security forces blocked almost all illegal entry points along the border with Gaza to try to stem the flow of Palestinians wanting to leave. Egyptian forces in riot gear erected barbed wire and chain-link fences along the border to prevent more Palestinians from crossing.
On June 5, 2006, 231 Hmong refugees fleeing Laos were detained by police in Amphoe Khao Kho, Phetchabun Province for illegal entry into Thailand. The Hmong were seeking asylum at the province's Ban Huay Nam Khao, where about 6,500 ethnic Hmong are being sheltered, but the Thai military refused to allow them to stay. Most of the Hmong claim they fought against the communists in the Secret War.
United States 
It is illegal to enter the United States, as a non-citizen, without inspection or authorization from government officials. The illegal entry of non-nationals into the United States is a misdemeanor according to the Immigration and Nationality Act, which prohibits non-nationals from entering or attempting to enter the United States at any time or place which has not been designated by an immigration officer, and also prohibits non-nationals from eluding inspection by immigration officers.
The U.S. Customs and Border Protection is responsible for apprehending individuals attempting to enter the United States illegally. The United States Border Patrol is its mobile uniformed law enforcement arm, responsible for deterrence, detection and apprehension of those who enter the United States without authorization from the government and outside the designated ports of entry.
Six to seven million people reside in the United States after having evaded the Immigration Inspectors or Border Patrol. There are an estimated half a million illegal entries into the United States each year. Often, migrants employ "coyotes", smugglers who promise a safe passage into the United States and are paid thousands of dollars per person they assist in crossing the border.
The unfenced, rural mountainous and desert border between Arizona and Mexico has become a major entrance area for unlawful migration to the United States, due in part to the increased difficulty of crossing illegally into California. The recent tightening of border enforcement has disrupted the traditional circular movement of many migrant workers from Mexico by increasing the costs and risks of crossing the border, thereby reducing their rate of return migration to Mexico. Each year there are several hundred migrant deaths along the Mexico-U.S. border. The difficulty and expense of the journey has prompted many migrant workers to stay in the United States longer or indefinitely.
According to the U.S. Border Patrol, there were 1,954 migrant deaths along the Mexico-U.S. border between 1998 and 2004. In 1993, 283 Chinese migrants attempted illegal entry into the United States via a sea vessel; ten of them arrived dead.
United Kingdom 
A recent study into irregular immigration to the United Kingdom states that "most irregular migrants have committed administrative offences rather than a serious crime". In 2004, illegal entry action was initiated against 36,550 migrants; it was estimated that more migrants overstay their visa than enter clandestinely, hence considered unlikely that there are large numbers of people crossing UK borders without permission.
Many of the routes for clandestine entry are very dangerous. There were 72 documented deaths that are thought to have occurred while entering UK between 1993 and 2002. The most common cause of death while entering the UK (61 of the deaths recorded) was suffocation in a lorry while being smuggled into the UK by ferry; Others drowned in the English Channel, froze to death as stowaways on an aeroplane and were crushed by trains in the Channel Tunnel.
See also 
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- "CRS Report for Congress: Immigration Enforcement Within the United States" (pdf). Congressional Research Service, The Library of Congress. 2006-04-06. Retrieved 2008-08-16. "The law prohibits aliens from entering or attempting to enter the United States at any time or place which has not been designated by an immigration officer (i.e., a port of entry). It also prohibits any alien from eluding immigration officers."
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- "Border-Crossing Deaths Have Doubled Since 1995; Border Patrol’s Efforts to Prevent Deaths Have Not Been Fully Evaluated". Government Accountability Office. August 2006. p. 42.
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- United States Government Accounting Office. GAO-06-770, August 2006.
- Navarro, Mireya (2006-12-21). "Traditional Round Trip for Workers Is Becoming a One-Way Migration North". The New York Times website (The New York Times Company). Retrieved 2008-08-16. "The percentage of illegal immigrants who used to routinely return home and no longer do is unknown."
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