Bolivia, officially the Plurinational State of Bolivia, is a landlocked country in central South America. It features diverse geography, including the Andes Mountains and tropical lowlands like the Amazonian plain and the Gran Chaco. Bordered by Brazil, Paraguay, Argentina, Chile, and Peru, Bolivia includes part of the Pantanal, the world's largest tropical wetland. La Paz is the seat of government, while Sucre is the constitutional capital. The largest city and industrial center is Santa Cruz de la Sierra.
In 1903 Bolivia was forced to sign the Treaty of Petrópolis, in which Bolivia lost the state of Acre, important because this region was known for its production of rubber, after the Acre War.
In October 1904, Bolivia and Chile signed the Treaty of Peace and Friendship, with Chile agreeing to build a railway between Arica and La Paz to improve access of Bolivian products to ports.
In 1909, Bolivia lost the basin of the Madre de Dios River and the territory of the Purus in the Amazon, yielding 250,000 km to Peru.
In 1932, the Chaco War began, marking a turning point where Bolivia lost a great part of the Gran Chaco region in dispute to Paraguay.
In 1935, Bolivia's defeat by Paraguay in the Chaco War marked a turning-point.
From 1939 to 1998, temperatures in the Andes increased by 0.1 °C per decade.
In April 1943, Bolivia entered World War II, joining the Allies, leading President Enrique Peñaranda to declare war on the Axis powers: Germany, Italy and Japan.
In 1945, Bolivia became a founding member of the United Nations.
In 1945, TAM – Transporte Aéreo Militar (the Bolivian Military Airline), also known as TAM Group 71, became a part of the Fuerza Aérea Boliviana (the Bolivian Air Force).
Beginning in 1950, the Bolivian population has tripled in the last fifty years.
In 1951, the Revolutionary Nationalist Movement (MNR) was denied its victory in the presidential elections.
In 1952, the Bolivian National Revolution established universal suffrage, nationalized tin mining, and initiated limited land reform.
In 1952, the MNR led a successful revolution, introducing universal suffrage, land reform, and nationalizing tin mines under President Víctor Paz Estenssoro.
In 1956, Hernán Siles Zuazo started his first term as president of Bolivia
In 1960, Hernán Siles Zuazo ended his first term as president of Bolivia
In 1964, a military junta overthrew President Paz Estenssoro at the outset of his third term, dividing the MNR.
Since 1964, Bolivia has had its own port facilities in the Bolivian Free Port in Rosario, Argentina, located on the Paraná River connected to the Atlantic Ocean.
In 1966, René Barrientos, a former member of the junta, was elected president.
In October 1967, Che Guevara was killed in Bolivia by a team of CIA officers and members of the Bolivian Army.
In 1969, the death of President René Barrientos led to a succession of weak governments.
From 1971 to 1978, Hugo Banzer was a dictator in Bolivia.
In 1971, Hugo Banzer was installed as president by the military, the MNR, and others.
Between 1950 and 1976, the growth of the bolivian population was approximately 2.05%.
In 1976, Juan José Torres, who had fled Bolivia, was kidnapped and assassinated as part of Operation Condor.
In 1977, TAB – Transportes Aéreos Bolivianos, a civil transport airline, was created as a subsidiary company of the FAB.
From 1971 to 1978, Hugo Banzer was a dictator in Bolivia.
In 1978, elections in Bolivia were marked by fraud.
In 1979, elections in Bolivia were inconclusive.
In 1979, the Organization of American States (OAS) passed the 426 Resolution, declaring that the Bolivian problem regarding access to the sea is a hemispheric problem.
From 1980 to 2005, the rate of temperature increase in the Andes tripled to 0.33 °C per decade.
In 1980, General Luis García Meza carried out a coup d'état in Bolivia, leading to violent repression and numerous deaths.
In 1980, Universidad Evangélica Boliviana UEB – Santa Cruz de la Sierra, was founded.
In 1981, a military rebellion forced out García Meza, and three other military governments struggled with Bolivia's economic problems.
In October 1982, Hernán Siles Zuazo became president again, twenty-two years after the end of his first term of office.
In 1982, the last non-elected military ruler left office in Bolivia, marking a transition towards civilian governance.
Since 1982, Bolivia has been governed by democratically elected governments.
From 1985 to 1989, Presidents Víctor Paz Estenssoro began a tradition of ceding power peacefully.
From 1985 to 2005, the Revolutionary Nationalist Movement, Nationalist Democratic Action, and the Revolutionary Left Movement predominated.
From 1985 to 1989, Presidents Víctor Paz Estenssoro began a tradition of ceding power peacefully.
In 1990, forest cover in Bolivia was 57,804,720 ha.
Since 1990, Bolivia's drinking water and sanitation coverage has improved due to increased investment, though coverage levels remain the continent's lowest.
Between 1976 and 1992, the growth of the bolivian population was approximately 2.05%.
In 1992, the Special Economical Zone for Bolivia in Ilo (ZEEBI) was established, granting Bolivia a special economic area of maritime coast near Ilo, Peru, for 99 years.
In 1993, Gonzalo Sánchez de Lozada was elected president and pursued privatization of public enterprises under the capitalization program and introduces the Plan de Todos.
An important body of Native Baroque religious music of the colonial period was recovered and has been performed internationally to wide acclaim since 1994.
From 1994 through 1996, certain segments of Bolivian society strongly opposed reforms and economic restructuring, leading to frequent and sometimes violent protests, particularly in La Paz and the Chapare coca-growing region.
In 1994, Bolivia initiated potentially far-reaching reforms in the judicial system and increased decentralization of powers to departments, municipalities, and indigenous territories through revisions to the constitution and subsequent laws.
In 1995, a teachers' strike was defeated because the Central Obrera Boliviana (COB) could not marshal the support of many of its members.
From 1994 through 1996, certain segments of Bolivian society strongly opposed reforms and economic restructuring, leading to frequent and sometimes violent protests, particularly in La Paz and the Chapare coca-growing region.
In 1996, satellite imaging was used to map the extent of preserved suka kollus across the three primary valleys of Tiwanaku, with the results suggesting a population-carrying capacity of anywhere between 285,000 and 1,482,000 people.
In 1997, Hugo Banzer returned to the presidency.
In 1997, a law was established in Bolivia mandating that candidates for public office fielded by political parties must be at least 30% women.
In the 1997 elections, General Hugo Banzer won 22% of the vote and launched a policy of eradicating illegal coca. The Banzer government continued the free-market and privatization-policies of its predecessor.
From 1939 to 1998, temperatures in the Andes increased by 0.1 °C per decade.
In January 1999, large-scale protests erupted in Cochabamba in response to the privatization of water resources by foreign companies.
In April 2000, large-scale protests erupted in Cochabamba in response to a subsequent doubling of water prices due to the privatization of water resources.
In 2000, a concession to a foreign private company in Cochabamba was prematurely ended.
In May 2001, the "Carnaval de Oruro" was proclaimed by UNESCO as one of the first 19 "Masterpieces of the Oral and Intangible Heritage of Humanity".
On 6 August 2001, Banzer resigned from office after being diagnosed with cancer and Vice President Jorge Fernando Quiroga Ramírez completed the final year of his term.
According to the 2001 census, 78% of the Bolivian population is Roman Catholic, followed by 19% that are Protestant, as well as a small number of Bolivians that are Orthodox, and 3% non-religious.
According to the 2001 census, Spanish is the most spoken official language in the country, spoken by two-thirds of the population.
According to the census, in 2001 the bolivian population was of 8,274,325 (from which 4,123,850 were men and 4,150,475 were women).
Between 1992 and 2001, the growth of the bolivian population reached 2.74% annually.
Hugo Banzer leaves the presidency in 2001.
In June 2002, Gonzalo Sánchez de Lozada placed first in the national elections with 22.5% of the vote, followed by Evo Morales with 20.9%.
In October 2003, the Bolivian gas conflict intensified, leading to the government imposing martial law in El Alto on October 12th after 16 people were shot and dozens wounded in clashes. President Sánchez de Lozada resigned and left for the United States, with Carlos Mesa becoming the new president.
In 2003, President Gonzalo Sánchez de Lozada stepped down in the face of extraordinary circumstances.
In January 2005, amid a resurgence of gas protests, President Carlos Mesa attempted to resign, but his offer was refused by Congress.
On March 22, 2005, Carlos Mesa again offered his resignation to Congress after weeks of street protests accusing him of bowing to U.S. corporate interests. Congress accepted his resignation on June 10.
From 1980 to 2005, the rate of temperature increase in the Andes tripled to 0.33 °C per decade.
From 1985 to 2005, the Revolutionary Nationalist Movement, Nationalist Democratic Action, and the Revolutionary Left Movement predominated.
In 2005, Bolivia's savings totaled one fifth of GDP, compared to 2014 when it was two-thirds of GDP.
In 2005, Evo Morales won the presidential election with 53.7% of the vote.
In 2005, President Carlos Mesa stepped down in the face of extraordinary circumstances.
In 2005, the government held a binding referendum on the Hydrocarbon Law, requiring companies to sell their production to the state hydrocarbons company YPFB and increasing state royalties from natural gas.
On May 1, 2006, President Morales announced his intent to re-nationalize Bolivian hydrocarbon assets following protests.
On August 6, 2006, President Morales opened the Bolivian Constituent Assembly to begin writing a new constitution aimed at empowering the indigenous majority.
Between 2006 and 2007, a new constitution was drafted. It was later approved in 2009, establishing balanced powers across the executive, legislative, judicial, and electoral branches, along with multiple levels of autonomy.
Between 2006 and 2009, the Morales administration spurred growth higher than at any point in the preceding 30 years.
Between 2006 and 2019, the Bolivian economic system saw significant growth and stability, including GDP increasing from $9 billion to over $40 billion.
In 2006, Bolivia's under-five mortality rate was 52.7 per 1000, and the infant mortality rate was 40.7 per 1000.
In 2006, Evo Morales began his presidency which lasted until 2019. During this period, Bolivia experienced significant economic growth and political stability but also faced accusations of democratic backsliding.
In 2006, White Bolivians comprised about 14% of the population and are usually concentrated in the largest cities: La Paz, Santa Cruz de la Sierra and Cochabamba, but as well as in some minor cities like Tarija and Sucre.
In 2006, a concession to a foreign private company in La Paz/El Alto was prematurely ended.
In 2006, after the election of Evo Morales, a Ministry of Environment and Water was created, reversing the privatization of the water distribution sector from the 1990s.
In 2006, almost 50% of soy producers in Bolivia were people from Brazil, or descendants of Brazilians.
In 2006, extreme poverty in Bolivia was at 38.2%.
From 2007 to 2017, the government take on gas totaled approximately $22 billion.
In 2007, the government created a "Bank for Productive Development" through which small workers and agricultural producers can borrow easily.
In 2008, Bolivia was declared free of illiteracy, making it the fourth country in South America to attain this status, following UNESCO standards.
In 2008, the Bolivian Naval Force had a strength of about 5,000 personnel.
A 2009 estimate of racial classification in Bolivia put mestizo (mixed White and Amerindian) at 68%, indigenous at 20%, white at 5%, cholo at 2%, black at 1%, other at 4%, while 2% were unspecified.
Between 2006 and 2009, the Morales administration spurred growth higher than at any point in the preceding 30 years.
In 2009, Bolivia created a new constitution and renamed the country to the Plurinational State of Bolivia, also triggering a new general election where Evo Morales was re-elected.
In 2009, a new constitution changed the country's official name to "Plurinational State of Bolivia" to reflect the multi-ethnic nature of the country and the strengthened rights of Bolivia's indigenous peoples under the new constitution.
In 2009, a new constitution, drafted between 2006 and 2007, was approved, establishing balanced powers across the executive, legislative, judicial, and electoral branches, along with multiple levels of autonomy.
In 2009, the government gave in to the agribusiness sector, which in return committed to end the pressure it was exerting and jeopardizing until the new constitution was in place.
In 2009, the new Constitution approved by referendum made access to water a fundamental right.
In 2009, the new Constitution assigned the role of national capital to Sucre, while La Paz continues to be the seat of government.
In July 2010, at the initiative of Bolivia, the United Nations passed a resolution recognizing the right to safe and clean drinking water as "fundamental".
As of 2010, there were approximately 8,700 people incarcerated in the 54 prisons across Bolivia.
In 2010, 92.5% of Bolivians identified as Christian, 3.1% identified with indigenous religion, 2.2% identified as Baháʼí, 1.9% identified as agnostic, and all other groups constituted 0.1% or less.
In 2010, the Plurinational Electoral Organ was established as an independent branch of government, replacing the National Electoral Court. It is regulated by the Electoral Regime Law (Law 026, passed 2010).
In October 2011, Bolivia held its first judicial elections to choose members of the national courts by popular vote, a reform brought about by Evo Morales.
In October 2011, the Plurinational Electoral Organ conducted the country's first judicial election. This was among the first elections since the body's inception.
According to the 2011 census, 59% of the Bolivian population is between 15 and 59 years old, and 39% is less than 15 years old.
In November 2012 census, the government did not include the cultural self-identification "mestizo".
According to the census, in 2012 the bolivian population was of 10,059,856.
In 2012, Bolivia's gross domestic product (GDP) totaled $27.43 billion at the official exchange rate and $56.14 billion at purchasing power parity.
By 2013, after being reelected under the new constitution, Evo Morales and his party attempted a third term as President of Bolivia, leading to a dispute over term limits.
In 2013, the Comprehensive Law to Guarantee Women a Life Free from Violence was passed in Bolivia, codifying sixteen types of gender-based violence and implementing measures for prevention of violence, protection for victims, and the punishment of aggressors.
In 2013, the Law of the Rights of Mother Earth was passed in Bolivia, according nature the same rights as humans and creating the Defensoría de la Madre Tierra.
Between 2014 and 2019 borrowing rates have been reduced by a factor of three between across all banking institutions for small and medium-sized agricultural producers.
In 2014, Bolivia boasted the highest proportional rate of financial reserves of any nation in the world, with a rainy day fund totaling approximately US$15 billion.
In 2014, Evo Morales was re-elected for a third term as President of Bolivia with 64.22% of the vote.
In 2014, only Panama and the Dominican Republic performed better in all of Latin America in terms of GDP growth.
In 2014, researchers with the Center for International Forestry Research (CIFOR) noted that Bolivia's road network was still underdeveloped, with less than 2,000 kilometers of paved road in lowland areas.
For the year 2015, 100% of the forest area in Bolivia was reported to be under public ownership.
In 2015, Bolivia opened its first duplicated highway, a 203 km stretch between La Paz and Oruro.
In 2015, it was announced that electrical power advancements include a planned $300 million nuclear reactor developed by the Russian nuclear company Rosatom.
In 2015, the country's gold production reached 12 metric tons.
Between 2006 and 2016, extreme poverty in Bolivia fell from 38.2% to 16.8%.
In 2016, the Bolivian constitutional referendum asked voters to override the constitution and allow Evo Morales to run for an additional term in office, however Morales narrowly lost the referendum.
From 2007 to 2017, the government take on gas totaled approximately $22 billion.
In 2017, Evo Morales' party petitioned the Bolivian Constitutional Court to override the constitution, seeking to allow Morales to run for a fourth term based on the American Convention on Human Rights.
In 2018, Bolivia had a Forest Landscape Integrity Index mean score of 8.47/10, ranking it 21st globally out of 172 countries.
In 2018, Bolivia signed the UN treaty on the Prohibition of Nuclear Weapons.
In 2018, Racquetball became the second most popular sport in Bolivia as for the results in the Odesur Games held in Cochabamba.
In 2018, an Israeli woman was killed by a falling rock while cycling on Bolivia's Yungas Road.
In 2018, the Inter-American Court of Human Rights determined that term limits are not a human rights violation.
In 2018, the maritime dispute between Bolivia and Chile was taken to the International Court of Justice. The court ruled in support of the Chilean position, stating that Chile was not required to negotiate a Bolivian corridor to the sea.
Since 2018, the Single Health System has offered all Bolivians free medical care.
In September 2019, TAM – Transporte Aéreo Militar (the Bolivian Military Airline) suspended its operations.
On 11 November 2019, all senior governmental positions were vacated following the resignation of Evo Morales and his government. On 13 November 2019, Jeanine Áñez declared herself acting President of Bolivia.
Between 2006 and 2019, the Bolivian economic system saw significant growth and stability, including GDP increasing to over $40 billion.
Between 2014 and 2019 borrowing rates have been reduced by a factor of three between across all banking institutions for small and medium-sized agricultural producers.
During the 2019 elections, the Transmisión de Resultados Electorales Preliminares (TREP) was interrupted. The official count showed Morales fractionally clearing the 10-point margin he needed to avoid a runoff election, resulting in protests and tension.
In 2019, Bolivia won a gold medal in the Men's Team racquetball event at the Pan American Games.
In 2019, Bolivia's nominal GDP increased to 41 billion, up from 11.5 billion in 2006.
In 2019, President Evo Morales stepped down in the face of extraordinary circumstances.
In 2019, the Bolivian Constitutional Court ruled that Evo Morales had permission to run for a fourth term in the upcoming elections, despite the previous referendum.
In 2019, the Bolivian government created a universal healthcare system cited as a model by the World Health Organization.
In 2019, the presidency of Evo Morales came to an end. His time as president, which began in 2006, saw Bolivia experience significant economic growth and political stability, but also faced accusations of democratic backsliding.
In April 2020, the interim government took out a loan of more than $327 million from the International Monetary Fund to meet the country's needs during the COVID-19 pandemic, which was later returned by the Arce government.
In April 2020, the interim government took out a loan of more than $327 million from the International Monetary Fund to meet the country's needs during the COVID-19 pandemic.
New elections were initially scheduled for May 3, 2020, but were postponed due to the coronavirus pandemic.
On June 7, 2020, The New York Times reported that the OAS analysis immediately after the 20 October election was flawed yet fuelled "a chain of events that changed the South American nation's history".
The final proposed date for the new elections was October 18, 2020. Observers reported that they found no fraudulent actions in the 2020 elections.
On November 8, 2020, Luis Arce was sworn in as President of Bolivia, alongside his Vice President David Choquehuanca.
In 2020, a new species of snake, the mountain fer-de-lance viper, was discovered in Bolivia.
In 2020, forest cover in Bolivia was around 47% of the total land area, equivalent to 50,833,760 ha of forest.
Luis Arce was president from 2020 to 2025.
In February 2021, the Arce government returned an amount of around $351 million to the IMF, comprising a loan taken out by the interim government in April 2020 and interest.
In 2021, Bolivia's estimated coca cultivation was reported to be 39,700 hectares, with a cocaine production of 317 metric tons.
As of 2022, 46% of parliamentary seats in Bolivia are held by women.
As of 2023, Freedom House classifies Bolivia as a partly-free democracy, with a score of 66/100.
In 2023, Bolivia received around two million tourists, approximately one million were foreign nationals, while the remaining were domestic ones.
In 2023, Bolivia was a major producer of various minerals, including silver (7th largest), tin and antimony (5th largest), zinc (7th largest), lead (8th largest), boron (4th largest), and tungsten (6th largest).
In 2023, Bolivia won a gold medal in the Men's Team event, and a Men's Singles Gold by world champion Conrrado Moscoso at the Pan American Games.
On June 26, 2024, a military coup attempt led by Juan José Zúñiga ended after lasting only 5 hours. Zúñiga was arrested in the evening.
According to the 2024 census, the main indigenous languages of the population above 4 years old are: Quechua (13.1%), Aymara (7.3%), Guarani (0.4%) and others (0.4%) including the Moxos in the department of Beni.
According to the 2024 census, there are total of 4,125,627 households in Bolivia.
In 2024, Bolivia was ranked 100th in the Global Innovation Index.
In 2024, the latest census recorded Bolivia's population at 11.4 million, highlighting its multiethnic composition, including Amerindians, Mestizos, and descendants of Europeans and Africans.
In October 2025, Rodrigo Paz of the Christian Democratic Party (PDC) won the run-off race of the election against Jorge Quiroga.
On November 8, 2025, Rodrigo Paz was sworn in as Bolivia's new president during Bolivia's worst economic crisis in 40 years.
Rodrigo Paz took office as president on 8 November 2025.
In 2025, Bolivia dropped to rank 111 in the Global Innovation Index.
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