About IOI
The International Olympiad in Informatics is one of several international science Olympiads held annually around the world. Exceptional high school students from various countries compete in the prestigious algorithmic competition to sharpen their informatics skills—such as problem analysis, design of algorithms and data structures, programming, and testing.
Main Objective
To discover, encourage, challenge, and recognise exceptional high school students for their talent in the field of informatics.
To foster friendly international relationships among computer scientists and informatics educators.
To bring the discipline of informatics to the attention of young people.
To promote the organization of informatics competitions for high school students.
To encourage countries to organise future IOI.
Each participating country selects a team of up to four contestants to represent their nation. The team, accompanied by a team leader and deputy leader, will compete in a two-day competition. Each contestant competes individually to maximize their score by solving three algorithmic problems within five hours.
Where
Campo Ferial Chuquiago Marka
La Paz, Bolivia
When
2025
About Bolivia
Bolivia, officially known as the Plurinational State of Bolivia, is a landlocked country in western-central South America. It is bordered by Brazil to the north and east, Paraguay and Argentina to the south, Chile to the southwest, and Peru to the west. Bolivia is geographically diverse, encompassing the Andes mountain range, the Atacama Desert, and the Amazon Basin rainforest. The country is named after SimĂłn BolĂvar, a key figure in Latin America's independence from Spanish rule. La Paz, located in the western part of Bolivia, serves as the seat of government, while Sucre is the constitutional capital. Bolivia has a population of about 12 million people, making it the 83rd most populous country in the world.
Bolivia boasts a rich cultural and historical heritage, with ancient civilizations such as the Tiwanaku and the Inca leaving a lasting legacy. Spanish colonization in the 16th century introduced European culture, Catholicism, and the Spanish language. Today, Bolivia is a plurinational state, recognizing 36 indigenous groups, including the Aymara, Quechua, and GuaranĂ, each contributing to the country's diverse culture. Bolivia is known for its high altitude, especially in the Andean region, and its significant biodiversity, from tropical rainforests to arid highlands.
Spanish is the official and most widely spoken language, although indigenous languages like Quechua, Aymara, and GuaranĂ are also official languages under the constitution. Bolivia has a mixed economy, with agriculture, mining, and natural gas production being key sectors. The country has the largest proven reserves of lithium in the world, an increasingly important resource for global energy industries.
About La Paz
La Paz, officially known as Nuestra Señora de La Paz, is the seat of government of Bolivia and the third most populous city in the country. It is located in the western part of Bolivia, nestled in a deep valley at an altitude of around 3,650 meters (11,975 feet), making it the highest administrative capital in the world. The city is surrounded by the Andes mountains, with the imposing snow-capped Mount Illimani providing a stunning backdrop.
Founded in 1548 by Spanish colonizers, La Paz grew to become an important administrative center during the colonial period, especially due to its proximity to the silver-rich region of PotosĂ. The city played a crucial role in Bolivia's independence movements and later served as the political hub of the country. Today, La Paz is known for its vibrant mix of indigenous and Spanish cultures, reflected in its architecture, traditions, and local cuisine.
La Paz is a popular tourist destination, offering unique cultural experiences and access to some of Bolivia's most famous attractions, such as the nearby ancient ruins of Tiwanaku, a UNESCO World Heritage Site. The city is also home to the Witches' Market, where local vendors sell traditional remedies, amulets, and herbs. Modern La Paz is a bustling city with a growing economy, particularly in commerce, telecommunications, and tourism.
In addition to its rich history and culture, La Paz is known for its unique transportation system, which includes the world's largest urban cable car network. This system provides a scenic and practical means of travel through the steep valleys and hills that characterize the city. La Paz also forms part of the La Paz–El Alto metropolitan area, which includes El Alto, one of Bolivia's fastest-growing cities. Together, these two cities form one of the most important urban regions in the country.
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