Will you point me to a dataset that demonstrates this? I've looked at state level data for a few states, and while I have seen higher turnout in Presidential

Will you point me to a dataset that demonstrates this? I've looked at state level data for a few states, and while I have seen higher turnout in Presidential elections, I see very low and declining turnout in those Primaries which I think just causes the same problem and allows the general election turnout to mask this problem. Then, looking at off year and congressional elections, the data is much less hopeful. It's almost _always_ the case that you see less than 50% eligible, and even less than 50% _registered_ turnout.