If you look at the two mRNA vaccines, the efficacy is actually close to 95% for those aged 65 and over. For Johnson & Johnson, NACI hasn't reviewed all the data, so our recommendation is not out yet, but we do have data on those aged 65 and over that is statistically significant, meaning that the 95% confidence interval does not include zero.
On March 11th, 2021. See this statement in context.