World Country & Currency Reference

International Dialing Codes (Major Countries)

To call internationally, dial your country's exit code (e.g., 011 in North America, 00 in most other countries), then the country code, then the local number.

Country	Calling Code
United States / Canada	+1
United Kingdom	+44
Australia	+61
New Zealand	+64
Ireland	+353
France	+33
Germany	+49
Spain	+34
Italy	+39
Netherlands	+31
Japan	+81
China	+86
South Korea	+82
India	+91
Singapore	+65
Hong Kong	+852
Brazil	+55
Mexico	+52
South Africa	+27
United Arab Emirates	+971

Tip: To call from the US/Canada, dial 011 + country code + number. From most of Europe, Asia, and Australia, dial 00 + country code + number.

Major World Currencies

Each currency has a three-letter ISO 4217 code that is used in banking, finance, and travel. Here are the world's most widely used currencies.

Currency	ISO Code	Symbol	Country / Region
US Dollar	USD	$	United States
Euro	EUR	€	Eurozone (19+ countries)
British Pound	GBP	£	United Kingdom
Japanese Yen	JPY	¥	Japan
Chinese Yuan	CNY	¥ / 元	China
Australian Dollar	AUD	A$	Australia
Canadian Dollar	CAD	C$	Canada
Swiss Franc	CHF	Fr	Switzerland
Indian Rupee	INR	₹	India
South Korean Won	KRW	₩	South Korea
Singapore Dollar	SGD	S$	Singapore
Hong Kong Dollar	HKD	HK$	Hong Kong
Brazilian Real	BRL	R$	Brazil
Mexican Peso	MXN	Mex$	Mexico
New Zealand Dollar	NZD	NZ$	New Zealand
Russian Ruble	RUB	₽	Russia

World Regions & Continents

The Earth's land is conventionally divided into seven continents. Here is a quick reference with their approximate population shares.

Continent	Approx. Population Share	Notes
Asia	~60%	Most populous continent
Africa	~17%	Fastest-growing population
Europe	~10%	Dense but aging population
North America	~7%	US, Canada, Mexico, Central America, Caribbean
South America	~6%	Includes Amazon rainforest
Oceania	~0.5%	Australia, New Zealand, Pacific islands
Antarctica	<0.01%	No permanent residents; research stations only

Fascinating World Facts

The Earth's circumference at the equator is about 24,901 miles (40,075 km).
There are 195 recognized countries in the world today (193 UN member states plus 2 observer states).
There are about 7,000 living languages spoken worldwide.
More than half the world's population lives in just 7 countries.
Russia is the largest country by land area; Vatican City is the smallest.
The most widely spoken first language is Mandarin Chinese, but English is the most widely spoken second language.
The Pacific Ocean is the largest and deepest ocean, covering about a third of the Earth's surface.
Mount Everest, at 8,849 meters (29,032 ft), is the highest mountain above sea level.

Frequently Asked Questions

What is the ISO currency code for my country?

Every currency has a unique three-letter ISO 4217 code, such as USD for the US Dollar and EUR for the Euro. This code is used universally in banking, finance, and travel to avoid confusion between currencies with similar names.

How do I make an international call?

Dial your country's international exit code (011 in North America, 00 in most other places), followed by the destination country code, area code (if any), and the local number.

How many time zones are there in the world?

There are 24 primary time zones corresponding to the hours of the day, but with the International Date Line and some countries using 30 or 45-minute offsets, the actual number of distinct offsets is around 40. For more, see our time zones guide.

Which currency is used in multiple countries?

The Euro is the most notable example, used by 20 European Union member states plus several non-EU countries. The US Dollar is also officially used in several other countries and territories.