Not that we can trust figures provided by the government or the media, but they're the ones who provided the 800,000 figure and its explanation. Apparently, these statistics are based on a 2002 US Department of Justice study that looked at data from sources throughout the country a few years earlier. According to the co-author of the study, David Finkelhor, 99% of those 800,000 children reported missing soon turned up. Many just weren't where their parents expected them to be, some ran away, some were taken by the non-custodial parent or other relatives, and eventually returned or accounted for. Stranger abductions are reportedly very unusual. "Just 115 of the 797,500 children were subject to what Finkelhor and his co-authors define as a "stereotypical" kidnapping - that is, they were abducted by a stranger and detained overnight, perhaps permanently, or taken at least 50 miles away." (http://www.bbc.com/news/magazine-32386685))

I don't believe permanently disappearing children outnumber cancer deaths or anything close to it. I know a large number of people who have died of cancer or who have told me they had friends or family who have died of cancer. I don't know personally know anyone who has had a child kidnapped and I don't know of anyone who's ever told me their friends or family have had a child go missing and never return. If it were as common as cancer deaths, most of us would personally know or know of dozens of people in our lifetimes who'd had their children kidnapped. In my experience, this isn't the case.

Keep in mind that many of the children abused in Pizzagate aren't missing or aren't reported missing if they go missing. They're abused by their parents or other family members in Satanic ritual abuse, which they are then brought up to perpetrate on others within the cult. Victims have reported being forced to bear children to be sacrificed or given abortions, after which they have been forced to partake in eating the fetus. These babies aren't reported born, nevermind missing. They have reported being forced to kill homeless adults. Children abused in foster care, daycare, schools, camps, or churches aren't reported missing. A lot of horrific abuse can go on without children going missing.

Also, there have been allegations that children have been kidnapped from war-torn or impoverished countries or countries without good birth registration systems. These children could be abused or murdered and wouldn't be counted as missing US children.