Student or Learner
Does this "top" mean "more or higher than 1%" or "be the best= to be the top of 1%"?
gu80)Our world is aging -...Japan, whose population of 100-year-olds is expected to top 1% by 2040, is already experiencing these changes...
The verb 'to top' means 'to exceed or surpass' (Collins).
'The number of 100-year-olds is expected to be greater than 1%....'