The coronavirus outbreak has triggered unprecedented mass layoffs and furloughs. Here are the major companies that have announced they are downsizing their workforces.

• The spread of the coronavirus is projected to wipe out millions of jobs worldwide.
• US weekly jobless claims for the week ending April 23 totaled 4.4 million — bringing the five-week total to more than 26 million — as the pandemic spurred layoffs across the country.
• Over 10 million Americans filed for unemployment in the month of March alone.
• The travel and hospitality industries have taken a significant hit. Major businesses like Marriott, the world's largest hotel company, and Walt Disney World have both announced furloughs.
• Here's a roundup of the major companies who have announced downsizing their workforce due to coronavirus thus far.
• Visit Business Insider's homepage for more stories.

This is a developing story. Check back for updates.

Scandinavian Airlines (SAS) announced that it would temporarily lay off 10,000 employees — 90% of its staff — on March 15. SAS also halted the majority of its flights and is operating with limited service.

An SAS airbus.      Nicolas Economou/NurPhoto/Getty

Source: Forbes

Norwegian Airlines announced the temporary layoff of 90% of its workforce on March 16, amounting to 7,300 employees. The airline also canceled 85% of its flights.

Norwegian aircrafts.      Johan Nilsson/TT via AP

Source: Reuters

Marriott International, the world's largest hotel company, said it has started to furlough what could amount to tens of thousands of employees on March 17. Furloughs, as opposed to layoffs, occur when employees are required to take an unpaid leave of absence. Arne Sorenson, the president and CEO, announced that his own salary will be suspended for the rest of the year and senior executives' salaries will be reduced by 50%.

Arne Sorenson at a meeting with President Donald Trump discussing the economic response to the coronavirus outbreak on March 17, 2020.      Drew Angerer/Getty Images

Source: Wall Street Journal, Business Insider, Business Insider

Pebblebrook Hotel Trust, which owns over 50 hotels in the US including the W in Los Angeles, laid off 50% of its 8,000 employees on March 17. CEO Jon Bortz also told the Los Angeles Times that the company may need to lay off an additional 2,000 employees by the end of the month.

The W Hollywood.      Tiffany Rose/Getty Images for Third Street Media Group

Source: Los Angeles Times

Famous restauranteur Danny Meyer's Union Square Hospitality Group, which owns beloved NYC staples like Gramercy Tavern, laid off 2,000 employees, or 80% of its workforce, on March 18.

Danny Meyer opened his first restaurant, Union Square Cafe, in 1985 at age 27, and went on to found Shake Shack, which is not currently part of the USHG portfolio.      AP Photo

Source: Business Insider

New York's Metropolitan Opera is the largest performing arts organization in the US by budget. On March 19, the Met laid off all of its union employees for the duration of the coronavirus outbreak. The Met also announced the cancellation of all performances through the end of the 2019-2020 season, which was set to end May 9.

The Metropolitan Opera in Lincoln Center at dusk.      Siegfried Layda/Getty Images

Source: NPR

Cirque du Soleil announced it is laying off 95% of its 4,679 person staff on March 19, a week after canceling all its upcoming performances. The circus producer kept 259 staffers to plan and sell tickets for future tours.

Artists perform during a dress rehearsal for Quidam, a show by Cirque du Soleil, at the Royal Albert Hall in London January 4, 2014.      REUTERS/Luke MacGregor

Source: Cirque du Soleil, Forbes

Air Canada announced it is set to lay off more than 5,100, or 50%, of its flight crew on March 19. Renee Smith-Valade, the airline's vice president, called the decision "difficult but necessary" in a statement.

An Air Canada aircraft.      JOERG KOCH/AFP/Getty Images

Source: CBC

According to the Washington Post, at least 200 workers across President Trump's hotels in Washington DC, New York City, and Las Vegas were laid off as of March 20. Other Trump properties, like Palm Beach's Mar-a-Lago, have temporarily closed.

A police boat patrols in front of U.S. President Donald Trump's Mar-a-Lago estate in Palm Beach, Florida, U.S., February 17, 2019.      Kevin Lamarque/Reuters

Source: Washington Post, Business Insider

GE announced that it will be reducing approximately 10% of its aviation unit's workforce, amounting to about 2,500 employees, on March 23. It also announced a three month furlough impacting 50% of its maintenance and repair employees. GE CEO Larry Culp will forgo his salary for the rest of the year, while GE Aviation CEO David Joyce will give up half of his salary.

The logo of General Electric is shown at its subsidiary company GE Aviation in Santa Ana, California on April 13, 2016.      Mike Blake/Reuters

Source: GE, Wall Street Journal

Sonder, a billion-dollar apartment-rental startup billed as a hospitality industry disruptor, laid off or furloughed 400 people — one third of its workforce — on March 24, according to The Information.

A Sonder apartment in New York City.      Katie Warren/Business Insider

Source: The Information

ZipRecruiter laid off 443 employees and furloughed dozens more on March 27, days after CEO Ian Siegel said the billion-dollar online job-hub company was safe.

Ian Siegel founded ZipRecruiter in 2010 and serves as the company's CEO.      ZipRecruiter

Source: Business Insider

Everlane, the clothing retailer focused on ethical sourcing, laid off over 200 employees and furloughed 68 others on March 27. CEO Michael Preysman will reduce his salary to zero.

A pair of Everlane jeans.      Jessica Tyler/Business Insider

Source: Vice

Bird, the buzzy electric scooter company, laid off 30% of its staff via a Zoom call on March 27. The call lasted only around 2 minutes.

A Bird electric scooter.      Mike Blake/Reuters

Source: Business Insider

Macy's CEO Jeff Gennette informed his staff via email that the company would be furloughing most of its 125,000 employees on March 30. The company only plans to have work for "the minimum number of employees necessary to maintain basic business operations" across Macy's, Bloomingdale's, and Bluemercury, Gennette wrote. He will stop receiving his salary, along with the rest of the board of directors.

A Macy's store in New York City.      REUTERS/Andrew Kelly

Source: Business Insider, CNN

Sephora laid off over 3,000 employees across the US via conference call on March 31. "It is our sincerest hope that we are able to bring these employees back on staff in the near future," Sephora said in a statement.

A Sephora store in New York City's Times Square.      Reuters

Source: Business Insider

Famed auction house Sotheby's is furloughing 200 people — or 12% of its workforce —as of April 1, according to the Wall Street Journal.

Sotheby's employees carry a painting by Roy Lichtenstein called 'Two Paintings with Dado, 1983' during a press view at the auction rooms in London.      Kirsty Wigglesworth/AP

Source: Wall Street Journal

On April 2, airplane manufacturer Boeing announced that it would offer a voluntary layoff plan to employees to cut costs. Those opting into the layoff plan will leave with a pay and benefits package, but the company offered no details about compensation.

A Boeing employee works on a 747-8 Intercontinental airplane at the Boeing factory in Everett, Washington.      Stephen Brashear/Getty

Source: Business Insider

ClassPass, the billion-dollar fitness platform, furloughed or laid off over half of its 700 employees on April 2 — 22% were laid off and 31% were furloughed.

ClassPass CEO Fritz Lanman.      Diarmuid Greene/Sportsfile via Getty Images

Source: CNBC

The Wing, a buzzy Instagram-ready women's coworking company, is laying off nearly all of its hourly employees and half of its corporate staff as of April 3, according to Vice. The company confirmed the layoffs but did not elaborate on numbers. Its founders are foregoing their salaries.

The Wing's Dumbo location in Brooklyn, New York.      Sarah Jacobs/Business Insider

Source: Vice

On April 3, Under Armour announced that it will temporarily lay off about 6,700 employees starting April 12.

An Under Armour store.      Alex Tai/SOPA Images/LightRocket via Getty Images

Source: Baltimore Sun

JCPenney has already started furloughing workers and confirmed it would continue to furlough a "significant portion" of its 85,000 employees as of April 5.

The exterior of a JCPenney store.      Shoshy Ciment/Business Insider

Source: JCPenney, Business Insider

On April 7, Tesla sent an email to employees saying it will furlough all nonessential workers until at least May 4, and reduce all employees' pay by at least 10%. These cost-cutting measures are expected to start April 13.

Tesla's factory in Fremont, California.      David Butow/Corbis News via Getty Images

Source: Business Insider, CNBC

On April 12, a union representing workers at Walt Disney World said the company will be furloughing 43,000 employees starting April 19. The amusement parks have been closed since March 16 and 200 essential workers will continue maintaining them.

Walt Disney World's Magic Kingdom in January 2020.      AP Photo/John Raoux

Source: New York Times, Vox

Hertz said it plans to lay off 10,000 employees on April 20. The car rental company previously employed 38,000 people.

A sign displaying the Hertz logo.      Reuters

Source: Reuters

On April 28, online travel company TripAdvisor announced it was laying off more than 900 of its employees, amounting to a quarter of its workforce.

A TripAdvisor sign on a storefront, a ubiquitous site at tourist spots around the world.      Shutterstock

Source: Business Insider

Boeing announced that it would cut about 10% of its workforce — or about 16,000 jobs — on April 29. The cuts are expected to be through a combination of buyouts, voluntary layoffs, and involuntary layoffs.

Workers enter the Boeing factory in Renton, Washington on April 21, 2020 as commercial airplane production resumes following a suspension of operations in response to the coronavirus pandemic.      Reuters

Source: Business Insider

Ride-hailing giant Lyft is laying off 982 employees and furloughing another 288, accounting for 17% of the company's workforce. The company made the announcement on April 29 and added that other cost-cutting measures include pay cuts for executive leadership.

A Lyft ride-share car waits at a stoplight in Sacramento, California in July 2019.      Associated Press

Source: Business Insider