The 50 most high-tech cities in the world in 2018

Change from 2017 ranking: no change

Companies that call this city home: Accenture, Storyful, Zalando, Udemy

Change from 2017 ranking: -5

Companies that call this city home: Yandex, Gazprom, Sistema, Mobile TeleSystems

Change from 2017 ranking: +4

Companies that call this city home: Telespazio, Leonardo, Enel, e-Geos

Change from 2017 ranking: no change

Companies that call this city home: Nokia, Rovio Entertainment, Supercell, Smartly.io

Change from 2017 ranking: +5

Companies that call this city home: Panasonic, Capcom, Sharp Electronics, Sakura Internet

Change from 2017 ranking: -7

Companies that call this city home: Fiverr, Gett, Mindspace, Cortica

Change from 2017 ranking: +12

Companies that call this city home: Pandora, VSCO, Ask.com, Kaiser Permanente

Change from 2017 ranking: -2

Companies that call this city home: Bauer Media Group, Jimdo, mytaxi, Wunder Mobility

Change from 2017 ranking: +7

Companies that call this city home: AWS Elemental, Tektronix, InFocus, Nike

Change from 2017 ranking: -11

Companies that call this city home: UniCredit, Prysmian, 505 Games, Pirelli

Change from 2017 ranking: -6

Companies that call this city home: Adform, Sitecore, Momondo, SYBO Games

Change from 2017 ranking: -15

Companies that call this city home: Telefonica, OnTruck, Cabify, fintonic

Change from 2017 ranking: -7

Companies that call this city home: Baidu, Lenovo, Xiaomi, Weibo

Change from 2017 ranking: +3

Companies that call this city home: Telenor, Opera Software, Kahoot!, Schibsted Media

Change from 2017 ranking: -3

Companies that call this city home: Webi English, YI Technology, Motion Global, Clobotics

Change from 2017 ranking: +11

Companies that call this city home: AccessPay, LADbible, AO World, Boohoo

Change from 2017 ranking: -5

Companies that call this city home: Emirates Airline, Careem, Souq.com, Blink Studios

Change from 2017 ranking: +2

Companies that call this city home: Comcast, Aramark, Lincoln National Corp., Crown Holdings

Change from 2017 ranking: +11

Companies that call this city home: Ibotta, MapQuest, FareHarbor, Catalyst Repository Systems

Change from 2017 ranking: -17

Companies that call this city home: Privalia, Wallapop, Typeform, TravelPerk

Change from 2017 ranking: +18

Companies that call this city home: Dell, Indeed, National Instruments, HomeAway

Change from 2017 ranking: +3

Companies that call this city home: Spotify, Ericsson, King (Candy Crush), NorthStar Group

Change from 2017 ranking: +8

Companies that call this city home: Yoswit, Klook, GoGoVan, WeLab

Change from 2017 ranking: no change

Companies that call this city home: Magic Leap, WhereBy.Us, Lennar, CareCloud

Change from 2017 ranking: -1

Companies that call this city home: Hootsuite, PlentyOfFish, Cognitive3D, BroadbandTV

Change from 2017 ranking: +3

Companies that call this city home: Lockheed Martin, Appian, HelloWallet, Rosetta Stone

Change from 2017 ranking: +13

Companies that call this city home: Qualcomm, Brain Corp, Classy, Illumina

Change from 2017 ranking: -3

Companies that call this city home: Element AI, Air Canada, Hopper, Transit

Change from 2017 ranking: -6

Companies that call this city home: Siemens, BMW, Tado, Allianz

Change from 2017 ranking: -2

Companies that call this city home: Aptos, UPS, Bluefin, Cricket Wireless

Change from 2017 ranking: -9

Companies that call this city home: TourRadar, Kompany, Tricentis, Robo Wunderkind

Change from 2017 ranking: -6

Companies that call this city home: Booking.com, Philips, TomTom, BTC.com

Change from 2017 ranking: +5

Companies that call this city home: Citgo, cPanel, FlightAware, Sysco

Change from 2017 ranking: +9

Companies that call this city home: Redbubble, Telstra, Catapult Sports, CSL Limited

Change from 2017 ranking: +6

Companies that call this city home: Amazon, Zillow, Qualtrics, Rover

Change from 2017 ranking: +3

Companies that call this city home: SoundCloud, HelloFresh, Babbel, Zalando

Change from 2017 ranking: +3

Companies that call this city home: AT&T, American Airlines, Texas Instruments, Energy Transfer Equity

Change from 2017 ranking: -1

Companies that call this city home: Samsung, Hyundai Motor, LG Electronics, SK Holdings

Change from 2017 ranking: +9

Companies that call this city home: Grubhub, Boeing, Groupon, Motorola Mobility

Change from 2017 ranking: +4

Companies that call this city home: Canva, Atlassian, Zip Money, Nuix

Change from 2017 ranking: no change

Companies that call this city home: Orange Communications, Deezer, Thales Group, DailyMotion

Change from 2017 ranking: no change

Companies that call this city home: Wealthsimple, InterAxon, Wattpad, The Stars Group

Change from 2017 ranking: -2

Companies that call this city home: General Electric, HubSpot, Bain Capital, Boston Dynamics

Change from 2017 ranking: +1

Companies that call this city home: DBS Bank, Singtel, CapitaLand Limited, Flex

Change from 2017 ranking: +1

Companies that call this city home: Snap Inc., SpaceX, Riot Games, Hulu

Change from 2017 ranking: -2

Companies that call this city home: WeWork, Verizon, IBM Watson, Citigroup

Change from 2017 ranking: +1

Companies that call this city home: Apple, Google (Alphabet), Facebook, HP, Intel, Netflix, Tesla

Change from 2017 ranking: -1

Companies that call this city home: Barclays, TransferWise, BP, ASOS.com, Monzo

Change from 2017 ranking: +2

Companies that call this city home: SoftBank, Hitachi, Toshiba, Sony Corporation, Mitsubishi

In a news release announcing the 2018 rankings, 2thinknow's director Christopher Hire credited Tokyo's "support of new technologies" in raising the city to the top of the 2018 rankings.

"They showed clear direction by embracing smart technology change to lead innovation, and leadership in what we have identified as the twin long-term globe shaking trends of robotics and 3D manufacturing," Hire said.