They collected the information from various sources and sprinkled in some quirkier rankings since many countries led the world in multiple things. 
"Myanmar leads the world in 'Speaking Burmese.'  That's kind of a silly thing but still true," Anvari told BI. "UK leads in fascist movements, but that's all movements in history, not active movements."
(Some of the categories are hard to read so we published the full list below the map.)
map

Country
Leads World In…
Measure
Afghanistan opium total
Albania  
Algeria middle paleolithic flake tool techniques  
Andorra reading rate
Angola speaking umbundu  
Antarctica emperor penguins endemic
Antigua and Barbuda  
Argentina exporting soccer players  
Armenia  
Australia deadly animals and melanoma total and per 100,000 people
Austria mohnflesserl  
Azerbaijan software piracy avg per computer
Bahamas  
Bahrain  
Bangladesh peacekeeping total and per 100,000 people
Barbados  
Belarus wisents  
Belgium relaxing %
Belize destroying the ozone per capita
Benin  
Bhutan farming %
Bolivia brazil nuts total
Bosnia and Herzegovina having land mines total per sq mi
Botswana diamonds  
Brazil making coffee total
Brunei  
Bulgaria living the american dream rate
Burkina Faso illiteracy rate
Burundi unsatisfied index
Cambodia long alphabet total
Cameroon killer lakes  
Canada maple syrup and asteroid impacts total
Cape Verde  
Central African Republic expensive internet total
Chad not wasting electricity per capita
Chile staying married crude divorce rate (per capita)
China co2 emissions and renewable energy total
Colombia rain avg
Comoros  
Congo, Democratic Republic of pygmy chimpanzees endemic
Congo, Republic of saving energy  
Costa Rica happiness index
Côte d’Ivoire (Ivory Coast) malaria deaths per 100,000 people
Croatia  
Cuba baseball total
Cyprus  
Czech Republic beer consumption per capita
Denmark education index
Djibouti  
Dominica  
Dominican Republic  
Ecuador endangering plants total
Egypt africa cup of nations total
El Salvador  
Equatorial Guinea  
Eritrea african cycling  
Estonia prevalence of women sex ratio (total)
Ethiopia employing children percent
Federated States of Micronesia  
Fiji  
Finland drinking coffee per capita
France tourism total
Gabon sun-tailed monkeys  
Gambia not spending money on military total reserves
Georgia khachapuri  
Germany almost winning the world cup total
Ghana  
Greece olive oil consumption per capita
Greenland personal space pop per sq mi
Grenada olympic medals per capita
Guatemala  
Guinea-Bissau  
Guyana  
Haiti  
Honduras homocide rate
Hong Kong high IQ avg
Hungary canoeing total and total
Iceland penetrating the internet percent
India movies and low prices total
Indonesia volcanoes total
Iran brain drain total
Iraq not safe for journalists total
Ireland quality of life score
Israel r&d % of gdp
Italy UEFA competitions total
Jamaica  
Japan robots per 10,000 manufactoring workers
Jordan large falafel balls total
Kazakhstan uranium total
Kenya flowers total
Kiribati  
Kuwait highest valued currency exchange rate
Kyrgyzstan walnut forests total
Laos solar energy per capita
Latvia eco-friendly index
Lebanon  
Lesotho mortality rate
Liberia  
Libya heat avg
Liechtenstein teachers per capita
Lithuania  
Luxembourg generosity per capita
Macedonia  
Madagascar lemurs total
Malawi malawisaurus  
Malaysia caves total
Maldives  
Mali kulicoro firefinches endemic
Malta  
Marshall Islands  
Mauritania  
Mauritius  
Mexico getting struck by lightning, cartels and boxing total and total
Moldova alcohol consumption per capita
Monaco  
Mongolia velociraptor bones  
Montenegro  
Morocco couscous none
Mozambique  
Myanmar speaking burmese total
Namibia wealth inequality wealth gini
Nepal not killing themselves per 100,000 people per year
Netherlands tall people avg male and female height
New Zealand sheep and rugby totaland total
Nicaragua  
Niger making babies births per woman
Nigeria yams total
North Korea censorship index
Norway democracy index
Oman  
Pacific white shark cafe  
Pakistan field hockey total
Palau swimming with jellyfish  
Palestinian Territory not having cancer per 100,000 people per year
Panama defenselessness total
Papua New Guinea linguistic diversity index
Paraguay drinking tea per capita
Peru sandboarding  
Philippines social media percent
Poland kielbasa subjective
Portugal graduating high school rate
Puerto Rico  
Qatar GDP per capita
Romania download speed  
Russia raspberries and nuclear warheads total
Rwanda women in parliament % of seats held
San Marino  
Sao Tome and Principe  
Saudi Arabia oil total reserves
Senegal  
Serbia water polo  
Seychelles  
Sierra Leone  
Singapore science total
Slovakia making cars per capita
Slovenia casinos per 1,000 inhabitants
Solomon Islands  
Somalia pirates total
South Africa ostrich total
South Korea workaholics hrs per year per person
South Sudan inflation rate
Spain organ donation rate
Sri Lanka cinnamon  
Sudan  
Suriname forests percent
Swaziland  
Sweden atheism total
Switzerland employment rate
Syria  
Taiwan  
Tajikistan  
Tanzania national parks and wildlife  
Thailand rice exports  
Timor-Leste  
Togo bad driving road death per 100,000 cars
Tonga  
Trinidad and Tobago  
Tunisia gun control per capita
Turkey apricots total
Turkmenistan corruption index
Uganda young people median age
Ukraine population control percent
United Arab Emirates prevalence of men sex ratio (total)
United Kingdom fascist movements total
Uruguay eating beef  
USA falling off beds and chairs, getting killed by lawnmowers, nobel laureates and eating hot dogs total
Uzbekistan being double landlocked total
Vanuatu  
Vatican City  
Venezuela miss universe total
Vietnam economic growth index
Western Australia (ocean) deadly shark attacks total
Western Sahara  
Yemen gender gap index
Zambia rhodesian giraffe index
Zimbabwe commercial bank prime lending rate total