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The happiest countries - Let's get started with countries with populations that had happy experiences.

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Paraguay - Paraguay is reported as the most positive country, where people reported "feeling a lot of positive emotions each day."

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Paraguay - The poll claims that Latin American cultures "focus on life's positives." There's plenty to be happy about in Paraguay.

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Paraguay - Despite being a landlocked country, the diverse population is blessed with the Triple Frontier waterfall and Monday's Falls.

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Panama - Panama was the second-most positive country. Its Caribbean coastline is littered with brilliant natural harbors, and its cities are filled with rich culture.

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Panama - The country is split up into nine provinces, such as Los Santos and Bocas del Toro.

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Panama - The multiracial population is well over four million, spread out across its 100 islands.

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Guatemala - In at third is Guatemala, a Central American country famed for its mixed Mayan-Spanish culture.

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Guatemala - Although the capital, Guatemala City, struggles with extreme societal issues, the country is famed for being naturally beautiful.

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Guatemala - Guatemalan culture is built around music, food, religion, and even the unique textiles you can see in nearly every village.

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Mexico - Mexico may be at the center of political problems, but its population seems to be as happy as ever.

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Mexico - It's the most populous Spanish-speaking country in the world, with an estimated 90% of the Mexican population speaking the language.

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Mexico - It's had a tough history, and faces current challenges, but Mexico remains bold and happy.

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El Salvador - The smallest country is Central America is still pretty happy. El Salvador clocks in at number five on the list of countries with the most positive experiences.

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El Salvador - The country has ranked high as a top Central American country in terms of the Human Development Index.

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El Salvador - El Salvador has just two seasons, and it rarely rains during the dry season. The population descended from European and American people.

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The most stressed countries - Now, onto the countries with high rates of stress and negative emotions.

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Chad - The Republic of Chad is the country with the highest reported negative experience. The landlocked country is located in Central Africa.

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Chad - Chad was a French colony until 1960. The country battles poverty, illness, drought, and internal conflicts.

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Chad - Chad is dubbed the "Dead Heart of Africa." That's mainly because of its desert climate and distance from the coast.

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Niger - Niger is another landlocked country in Africa. Its name comes from the Niger River, which runs through Guinea, Mali, Niger, and Nigeria.

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Niger - Niger was ranked as the country with the second-highest rate of negative experiences. Much of its population live in rural areas with tight access to higher education.

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Niger - The subtropical climate makes Niger one of the hottest countries in the world, and rain can evaporate before it even hits the ground here.

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Sierra Leone - Sierra Leone naturally produces diamonds and has one of the biggest natural harbors in the world. Despite this, around 70% of its people live in poverty.

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Sierra Leone - The climate in Sierra Leone is typically hot, tropical, and humid all year round.

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Sierra Leone - Sierra Leone was a British Crown Colony until 1961. The country has suffered with two civil wars in the 21st century.

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Iraq - The Middle Eastern country has a rich ancient history, but the Iraqi people reportedly suffer with many negative experiences.

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Iraq - Many military forces were stationed in the country until December 2011, when the Iraq War came to an end.

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Iraq - The country was invaded in 2003 by troops from the United States, the United Kingdom, Australia and Poland. The allied forces were ultimately responsible for the disbandment of the ruling Ba'ath Party.

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Iran - Formerly known as Persia, this Middle Eastern country has a population of over 80 million.

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Iran - Iran is a natural producer of oil. The country is 90% Muslim, and the state religion is Shia Islam.

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Iran -

The country struggled with the Iran-Iraq War during the '80s, and has historically clashed with the United States.

See also: Countries with the highest and lowest levels of corruption.

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