Japanese couples are putting off parenthood over coronavirus concerns. The FT’s Tokyo correspondent, Kana Inagaki, explains what this means for a country already suffering from population decline. Plus, countries around the world are aiming to roll out contact-tracing apps as they seek to reopen economies. The FT’s South Asia correspondent, Stephanie Findlay, reports on India’s mandatory system.   Update: India’s contact-tracing policy has been loosened since our interview with Stephanie Findlay was recorded. Since then, India has issued clarifications saying that the Aarogya Setu app is not mandatory for plane travel, but passengers will have to fill out a declaration form when boarding a plane.To get free access to the FT’s Coronavirus Business Update newsletter for 30 days, visit ft.com/newsbriefingcovid or follow this link: https://www.ft.com/newsletter-signup/coronavirus?segmentId=9f398053-342f-c623-b5b3-1506d651696f. See acast.com/privacy for privacy and opt-out information.