Countries which change their time for summer. @Geogram

Full wiki list

Map of Russia's oil refineries targeted by Ukraine as of October 2025.

Since January, 21 of 38 Russia's major refineries have been struck which reportedly disabled nearly 40% of the country’s oil refining capacity. @Geogram

Source article

15 cities with the most casinos. @Geogram

Source data

Percentage of adults aged 25-34 years olds who still live in their parents' homes. @Geogram

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Countries with high-speed railway networks (over 200km/h). @Geogram

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Countries with the largest gold reserved in the world in the second quarter of 2025 (in metric tons). @Geogram

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Top gold mines by actual or estimated output in 2024. @Geogram

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Views of the United Nations among 25 surveyed nations. @Geogram

Source article with more information

Where each U.S. state's largest immigrant group was born, 1920 vs 2020. @Geogram

Full source article

Only 9 countries include the map of their country on their passport covers.

Guatemala, El Salvador, Honduras, Nicaragua, Kosovo, Madagascar, Nepal, Bangladesh and the Maldives. @Geogram

Source

Map from 1941 showing proposed Trans-Saharan Railway conducted by the French to connect Algeria and sub-Saharan Africa. @Geogram

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The Columbian Exchange of plants, animals and diseases between the 'New World' Americas and 'the Old World'. @Geogram

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Where does the plastic waste in the oceans come from?

Top 5 polluters:
1. China 🇨🇳
2. Philippines 🇸🇽
3. India 🇮🇳
4. Brazil 🇧🇷
5. Indonesia 🇮🇩

@Geogram
Source

Second most spoken language in Mexico in each state.

Apart from Spanish, which is the most popular language, the government also recognizes 68 indigenous languages. @Geogram

Source
Languages of Mexico wiki

Venezuela's land and sea claims over Guyana.

Wiki page about the conflict. @Geogram

The best selling cars in 2024 in the EU. @Geogram

Source

At least 146 people were killed or disappeared last year for environmental activism. @Geogram

Source article

Map showing the migration of Polynesians who it is thought were originally from Taiwan.

They settled in the Polynesian Triangle that encompasses New Zealand, Hawaii and Easter Island as its corners.

It is believed they arrived to New Zealand only around the year 1200. @Geogram

Source

Which countries and territories had a population where over 50% affiliate with certain religion.

Even though Christianity still dominates in majority of the countries/territories, compared to 2010 it lost majority in 4 countries: the UK, Australia, France and Uruguay (graph of changes in the comments). @Geogram

Source

Top 20 highest ranked countries when it comes to healthcare system rating. @Geogram

Source with full ranking