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Photo: Brendan Smialowski/AFP/Getty Images

This decade began just after a historic inflection point, with 51% of the world's population living in urban areas.

By the numbers: That proportion has continued to rise steadily, reaching 55% as of 2018. It's climbed faster in China, up from 48% to 59% — meaning an additional 180 million people are living in Chinese cities.

  • China now has 130 cities of at least 1 million people, more than the U.S. (45), European Union (36) and South America (46) combined.
  • India, which won't become majority-urban until the 2040s, has 61 such cities. There are 63 in Africa.

Nigeria just became majority-urban in 2018, but urbanization in the West African giant will grow even more dramatically over the next decade.

  • Nigeria's 10 largest cities are home to 32 million people as of 2018, with 13 million of those in Lagos.
  • The UN projects their combined populations will rise to 50 million by 2030 — just over a decade away — by which time Lagos will have over 20 million residents.
  • By 2050, the UN projects Nigeria's total population will double to 400 million, with 70% living in cities. Compare that to the U.S. (82% urban), where the population will rise from 330 million to 375 million.

Zoom out: The world's biggest urban areas (UN, 2018):

  1. Tokyo, Japan (37.5 million)
  2. Delhi, India (28.5 million)
  3. Shanghai, China (25.6 million)
  4. São Paulo, Brazil (21.7 million)
  5. Mexico City, Mexico (21.6 million)
  6. Cairo, Egypt (20.1 million)
  7. Mumbai, India (20.0 million)
  8. Beijing, China (19.6 million)
  9. Dhaka, Bangladesh (19.6 million)
  10. Osaka, Japan (19.3 million)

What's next: By 2030, Kinshasa in the Democratic Republic of the Congo will join the list, replacing Osaka.

Flashback: New York City held the No. 10 spot as of 2016 but was bumped off the list by Dhaka. European cities that would have been in the top 10 in decades past — Moscow (24th), Paris (28th), London (37th) — keep sliding.

Go deeper: The decade of the very poor and super rich

Go deeper

Senate confirms retired Gen. Lloyd Austin as defense secretary

Photo: Greg Nash-Pool/Getty Images

The Senate voted 93-2 on Friday to confirm retired Gen. Lloyd Austin as secretary of defense. Sens. Mike Lee (R-Utah) and Josh Hawley (R-Mo.) were the sole "no" votes.

Why it matters: Austin is the first Black American to lead the Pentagon and President Biden's second Cabinet nominee to be confirmed.

House will transmit article of impeachment to Senate on Monday, Schumer says

Photo: Drew Angerer/Getty Images

Senate Majority Leader Chuck Schumer (D-N.Y.) announced that the House will deliver the article of impeachment against former President Trump for "incitement of insurrection" on Monday.

Why it matters: The Senate is required to begin the impeachment trial at 1pm the day after the article is transmitted.

Dan Primack, author of Pro Rata
2 hours ago - Politics & Policy

Private equity bets on delayed tax reform in Biden administration

Illustration: Brendan Lynch/Axios

In normal times, private equity would be nervous about Democratic Party control of both the White House and Congress. But in pandemic-consumed 2021, the industry seems sanguine.

Driving the news: Industry executives and lobbyists paid very close attention to Treasury Secretary nominee Janet Yellen's confirmation hearings this week, and came away convinced that tax reform isn't on the near-term agenda.