For the first time this November, there are more sponsored primary academies open in England than sponsored secondary academies.
Nevertheless, the proportion of primary schools that are sponsored academies is still significantly lower than the proportion of secondaries (3% compared to 14%). See here for pdf infographic.
Overall, there are 3,444 academies in England, of which 912 are sponsored and 2,532 converted academies. In addition to the 3,294 primary and secondary academies, there are an additional 37 all-through academies, 18 pupil referral units, and 95 special school academies.