Taiwanese foundry TSMC confirmed it's working on a 2nm process. If things go well, this node is expected to be ready for mass production in 2024.
The company plans to offer 5nm production in 2020 and will build 3nm production capacity in Hsinchu, Taiwan. That plant should be ready for mass production in 2022.
Chinese publication TechWeb reports that TSMC spokesperson Zhuang Zishou essentially confirmed that the 2 nm node will be built in the 3 nm facility from Hsinchu, Taiwan. TSMC is looking to begin construction of the 3 nm facility some time in 2020, complete it by the end of 2021 and begin 3 nm mass production in 2022. The 2 nm node is expected to become operational in 2024.