These are the world's 20 most dangerous countries, and photos showing what life is like there

Conflict in Darfur sent hundreds of thousands of refugees into Chad, which resulted in massive displacement of its own citizens. The CIA estimates over 300,000 Sudanese refugees are living in Chad.

Boko Haram and ISIS have an established presence in the country.

As of 2011, almost half the nation's citizens were living in poverty, according to the CIA.

The CIA estimates the Democratic Republic of Congo hosts over 500,000 refugees and asylum seekers. As of 2014, nearly two-thirds of the country's population lived under the poverty line.

In 2017, The Economist estimated over 24,000 Mexicans were murdered.

Brazil is also the second-largest consumer of cocaine in the world, according to the CIA.

Source: US Department of State.

Source: CIA.

The US State Department has warned travelers of a prevalence of sexual assault in Jamaica, which was unraveled by USA Today.

Nearly one-third of the population of Colombia lives under the poverty line, according to the CIA.

The US recognizes two terrorist organizations, the National Liberation Army (ELN) and the Revolutionary Armed Forces of Columbia (FARC), in the country.

Colombia is the world's largest producer of coca derivatives, and the second largest supplier of heroin to the US.

The US recognizes four terrorist organizations in the Philippines, including ISIS, Jamaah Islamayah, the New People's Army, and Abu Sayyaf.

There are also nearly 500,000 displaced Philippino citizens, according to the CIA.

Since his election in 2016, Philippine President Rodrigo Duterte has employed his police forces in a controversial war on drugs, killing suspected drug dealers and users often without a trial.

Crimes like these have driven emigration to the US as families seek refuge from violence.

The boys were 10 and 11 years old.

Nearly 200,000 Honduran citizens have been displaced due to violence, threats, and forced gang affiliation with MS-13 and Barrio 18.

Honduras has historically had one of the highest murder rates in the world.

Yemen is in the midst of its years-long civil war, which is widely seen as a proxy war between Saudi Arabia, which backs Yemen's central government, and Iran, which supports the Houthi rebels.

Al-Qaeda's AQAP branch and ISIS also have a presence in the nation. It also hosts a number of undetected minefields, over half its citizens live in poverty, and as war rages food insecurity is on the rise.

Boko Haram and ISIS maintain a presence in Nigeria, and despite oil resources, nearly two-thirds of the country's population live in extreme poverty.

Unemployment and trafficking in persons continue to plague Venezuela, which also hosts recognized terrorist organization National Liberation Army (ELN).

Authorities recorded nearly 4,000 murders in El Salvador in 2017 alone, and say that most criminal activity is a result of gang violence at the hands of MS-13 and Barrio 18.

El Salvador's soaring homicide rate has forced thousands of its citizens to seek asylum in the US.