Jakarta surpassed Tokyo as the world's largest city in 2025

Tokyo is the world's largest city by population

Home to over 41 million people, the megacity used to be a humble fishing village called Edo. Since Japan opened to foreign trade in the mid-1800s, Tokyo has made significant economic advances and achieved numerous milestones in public transportation, urban planning and culture.

See which countries have already reached their peak population, and when others will eventually reach theirs.

Visualizing the world's population centers

What does population density look like on a global scale? These detailed 3D renders illustrate our biggest urban areas and highlight population trends.

View the countries with the most internet users, including 94% of those in high-income nations

As of 2025, the four most populous nations—China, India, the US, and Indonesia—are also the ones with the most internet users, collectively accounting for almost half of the 6.04 billion internet users worldwide. This suggests that population size, rather than adoption rate, is a better predictor of online activity.

Geneva, Switzerland, has some of the highest grocery prices worldwide

Other cities that made the top 20 on the list of the global cities with the highest grocery prices around the world include Boston, Hong Kong, and Toronto, at least as of 2025.

Ranking the world’s economies: 1980 vs. 2025

The US remains the world’s largest economy, having increased its annual gross domestic product from $2.9T in 1980 to $30.6T in 2025. In 1980, China ranked seventh globally with a GDP of $304B. In 2025, China ranked second with a GDP of $19.4T.

Explore plans for smart cities expected to be built by 2050

Locations such as Net City in China, Woven City in Japan, and NEOM in Saudi Arabia are expected to incorporate green energy, AI, and advanced transportation system technologies to enhance air quality, reduce congestion, and minimize pollution by significantly reducing personal car use.

Eight demographic trends to watch

This list highlights eight demographic trends expected to shape the world in the coming decades. The world’s population is projected to hit 9 billion in 2037. In that time, India will overtake China in population, and the Democratic Republic of...

During the Medieval Period, urban populations grew significantly

As workers moved from fields to cities throughout the era, large metropolises of enduring strategic importance were formed from Paris, France, to Baghdad, Iraq.

AI is estimated to drive most data center power demand growth through 2030

According to a report from the International Energy Agency, a typical AI data center in 2025 consumes as much electricity as 100,000 households, but the largest under construction are expected to consume 20 times as much. Global data center electricity consumption is expected to surpass Japan's total consumption by 2030.

Evaluating the world’s 'smartest' cities

A ranking of "smart cities" analyzes cities by economical and technological aspects as well as quality of life, inclusiveness, and care to the environment.

The world’s top 20 cities for startups include San Francisco

In 2023, Singapore had the highest venture capital funding per capita in the world. But that doesn’t necessarily mean it’s the best place to have a startup. In 2023, PitchBook analyzed data to determine the world’s best startup city, including fundraising activity, venture capital deals, and exit value. San Francisco ranked as No. 1. See which other locales landed in the top 20 with this graphic.

A list of the world's top 25 economies by GDP

Gross domestic product estimates the value of goods and services produced in a country, typically through the expenditure method, which adds up spending by consumers, investors and governments with the value of exports. The top five economies are the US, China, Germany, Japan and India.

What its like to live in the world’s ‘smartest cities’

What’s it like to live in a smart city? The BBC interviewed residents of five of the world’s smartest, as determined by the International Institute for Management Development, to find out. (See previous resource for those rankings.) Common praises included ease of transportation, sustainability initiatives and proximity to nature.

See a map of the world's 25 largest stock exchanges, which had a total market cap of $106T as of 2023.

Explore a worldwide ranking of smart cities

This interactive site evaluates residents' perceptions of the infrastructure and technologies available to them across 146 cities to produce a ranking based on a Smart City Index. Users can utilize the City Comparison feature to compare their city with others around the world.

See the world’s largest stock markets in 1900 versus 2023

The US is now home to the world's largest stock market, but that wasn't always the case. This data visualization shows where the largest stock markets in the world were in 1900, then compares that map to the current geographical distribution of stock markets today, based on each country’s percentage share of global market capitalization. See what it looks like by clicking here.

As of 2024, China is the largest overall contributor to global greenhouse gas emissions

Due to its large population, the nation's per capita emissions continue to lag behind those of the US, Canada, Russia, Australia, and Saudi Arabia. The Arab country has experienced the most significant increase in per capita greenhouse gas emissions since 1990, now leading the world at 22.8 metric tons of carbon dioxide equivalent per capita.

Four global trends in shifting demographics

This UN summary outlines four global trends in shifting demographics. The world’s population is expected to peak by the end of the century as fertility rates continue to decline. Between now and 2050, the global population is projected to become...

Monaco is the world's most expensive real estate market

New York City was the world's second-most expensive real estate market, and Hong Kong was the third. A visual ranks the top 20 most expensive real estate markets in the world at the time.

Roughly 10% of the world's population is older than 65 (2023 data)

With recent advances in medicine, sanitation, and nutrition, expected lifespans have rapidly risen around the globe—resulting in a rapidly aging global population. The worldwide distribution has seen a nearly 600% jump in the population of people aged 65 and older.

The world's 10 best places to live

The Economist Intelligence Unit's Global Liveability Index ranked 173 cities based on stability, healthcare, culture and environment, education, and infrastructure. The report shows an overall increase in livability scores compared to previous...

Woven City at the base of Mount Fuji in Japan

The Woven City at the base of Mount Fuji in Japan is a ‘living laboratory’ for new technologies. It is being developed by Toyota subsidiary, Woven Planet, and will be the world’s first programmable city.

America's happiest cities in 2023

WalletHub analyzed 180 cities using thirty indicators—like depression rate and average leisure time—to rank each city by the happiness of its residents. Check out the list to see how your city ranks.

US cities where inflation is rising the most

WalletHub compared 22 major metropolitan areas to see how inflation has risen in the last year using the Consumer Price Index, which describes the average cost of a basket of goods. As of April 2024, Honolulu, Hawaii, clocked in with the greatest year-over-year change in prices, with inflation close to 5%. See the full list here.

Explore a map of data centers worldwide, numbering over 12,250 as of August 2026, with over 4,500 in the US.

Comiket, hosted in Tokyo, is the world’s largest fan-run convention

Comiket—short for Comic Market—is a semiannual, volunteer-organized fan art marketplace in Tokyo where up to 750,000 attendees experience self-published comics, anime, games, cosplay, and more over a span of four days.

There are over 800 annual marathons, but only seven deemed World Marathon Majors

The races—Tokyo, Boston, London, Berlin, Chicago, Sydney, and New York City—are on some of the best-known courses in the world and are run by some of the sport’s top athletes.

Singapore, one of the world's smartest cities

A fascinating look into what makes Singapore one of the smartest cities in the world, including human-centric innovations benefitting human health such as the AI-powered "Smart Elderly Alert System."

As of 2025, the world's largest tropical cyclone spanned half the continental US

Typhoon Tip traveled across the western Pacific Ocean in 1979, achieving winds of 300 kilometers per hour. Though it weakened significantly before making landfall in Japan, its rainfall produced over 600 mudslides and killed 42 people.

National Geographic's list of best places to visit in 2023

National Geographic has released its latest Best of the World list with 25 must-see destinations for 2023 from Alberta, Canada, to Busan, South Korea.

How Japanese Anime became a global phenomenon

Anime's popularity was once confined to Japan, but the art form has attracted a global audience in the 2020s due in large part to its availability on streaming and increased watch times during the COVID-19 pandemic. This Hollywood Reporter article explains how other factors—including several influential celebrities who consider themselves anime aficionados—have made the genre an international sensation.

How landlocked Moscow became Europe's biggest city

It's far enough north to have avoided the nomadic hordes who, for centuries, raided the European plain to its south—but it's just south enough to still farm the land. What's more, Moscow is protected by the huge taiga forests and is guarded by rare east-west rivers in a continent with mostly north-south ones.

Inside the most crowded place on Earth

Once the densest place on Earth, Kowloon Walled City was a chaotic labyrinth of stacked homes, hidden corridors, and thriving underground life.

As of 2025, China used the most electricity of any country, accounting for 33% of the total global demand and more than twice that of the US.

Electrical grids worldwide must double their power delivery capacity by 2050 to meet surging demand from AI and electric vehicles.

New York was the most expensive city to rent a three-bedroom apartment in as of 2025

At an average of $8.4K per month, New York City beat out London, Paris, San Francisco, and others as the most expensive major city to rent in. This visualization shows exactly how the others ranked.

The United States ranks 32nd globally in religious diversity, though it ranks first among the ten most populous nations.

Global population growth peaked six decades ago, at 2.3%.

America’s largest Comic-Con by attendance takes place in New York City

New York Comic Con—held annually at New York City's Javits Center since 2006—draws around 200,000 attendees, features more than 570 panels and events, and hosts more than 1,250 exhibitors, making it North America’s biggest pop-culture convention by attendance.

Dubai and Barcelona are examples of smart cities

By integrating technology into public transit, utilities, and other municipal systems, these cities aim to reduce costs and enhance the quality of life for their residents. Some of these technologies include adaptive lighting, parking sensors, and underground waste systems.

The best places to visit in 2024

Stargaze from moonscape deserts, or absorb high-design in a rising city. Peruse Conde Nast's annual look forward to travel destinations and dream up your next big trip.

Data visualizations showing population growth around the world

This page presents data, charts, and analysis on changes in population growth around the world. Over the last few centuries, the human population has gone through an extraordinary change. In 1800, there were 1 billion people; today, there are more...

The UN’s interactive site analyzing the world’s population

The 2022 revision of World Population Prospects contains the official population estimates and projections from the United Nations. It presents population estimates from 1950 to present for 237 countries or areas around the world. The data consider...

See who attended Davos 2025

Each year, Davos draws one of the most exclusive guest lists in the world. In 2025, attendees included 60 heads of state, over 900 CEOs and corporate chairs, and top leaders from global civil society, who gathered in the Swiss Alps.

Mapping how human population has grown throughout history

It took 200,000 years for our human population to reach 1 billion—and only 200 years to reach 7 billion. When will our global population peak? And how can we minimize our impact on Earth's resources, even as we approach 11 billion?

View a map of AI adoption rates around the world through Q1 2026, led by the United Arab Emirates (70.1%), Singapore (63.4%), and Norway (48.6%).

Over 35% of remote-capable US workers worked from home 'all the time' in 2023

With more than 1.3 million remote workers, the New York City metropolitan area had more remote workers than any of the top 30 metro areas in the US at the time. However, the Austin, Texas, metro area had the largest share of remote workers, with more than 23% of the city's workforce working remotely.

In 2025, Gen Z-led protests swept across Indonesia, Madagascar, Mexico, Morocco, Nepal, Peru, the Philippines, and Timor-Leste.

The number of billionaires in Saudi Arabia is projected to increase by 183% by 2031

Countries in the Middle East and Asia are projected to have some of the largest economic expansions by 2031, including within their billionaire populations. The global average growth projection for billionaires is 26% between 2026 and 2031.