Brilliant Maps

Making Sense Of The World, One Map At A Time

25 Largest Cities In The Americas By Population (Residing Within City Limits)

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25 Largest Cities In The Americas By Population (Residing Within City Limits)

Map created by Brasilemmapas
The map above shows the 25 biggest cities in the Americas based on how many people live within the city limits of each city however that is defined by each country.

Full list below:

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The Difference In Air Traffic Over Spain & Portugal On April 1st 2019, 2020, 2021 & 2022

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The video above shows a comparison of air traffic over the Iberian Peninsula on April 1, 2019, 2020, 2021, and February 1, 2022.

Here is the total number of flights on that day for each year:

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South American License & Number Plate Designs

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South American License & Number Plate Designs

Map created by geo.facts_
The map above shows the various designs (some old and new) of license (number) plates in various South American countries. From the map’s author.

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Interactive Map of All The World’s Land Border Crossings

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A Map of All The World's Land Border Crossings

Map created by jolearth
The map above shows all the world’s land border crossings and if you click into the interactive version you can see the following:

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Which Country is Your Greatest Threat In 2025?

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Which Country is Your Greatest Threat In 2025?

Map created by DizzyDentist22
The map above shows which country each country considered it’s biggest threat. Each the biggest threat for most European countries is viewed as Russia, but for the US it’s China and for Canada and Mexico its the US.

From the map’s author:

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America’s Summer Humidity Belt

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America's Summer Humidity Belt

Map created by BenNollWeather
The map above shows America’s Summer Humidity Belt or more accurately the average number of days in summer where the daily maximum dew point is great than 65F (18C).

Further explanation below:

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Does Your State Have An Official Firearm?

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Does Your State Have An Official Firearm?

Map created by @mapstream
The map above shows US states that have official firearms, below you can find out more about when and why they each became adopted.

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Is Sunday The First Day Of The Week?

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Is Sunday The First Day Of The Week?

Map created by geo.facts_
The map above shows whether or the first day of the week begins on a Sunday or Monday. From the author:

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Battle of Waterloo Minute by Minute In 60 Seconds

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The video above is another mapsinanutshell originals showing the Battle of Waterloo minute by minute with troop numbers and casualties using Google Earth.

From the author:

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Filed Under: War

Main Electricity Voltage By Brazilian States

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Main Electricity Voltage By Brazilian States

Map created by X user
Karol Karpinski
The map above shows the rather insane electricity situation that exists in Brazil. States either use 127 volts (127v) (similar to the US at 120 volts) or 220 volts (220v) (close to Europe’s 230 volts).

Of course Brazil being Brazil there are exceptions in both cases of cities within a state using different voltage than the state norm.

I was able to find the following list of exceptions:

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