Fact Check: Unpacking RFK Jr.'s Bold Claims on Child Health

It was quite a moment at the Republican midterm convention in Dallas on September 10, 2026, when Robert F. Kennedy Jr., currently holding the title of Health Secretary, made some truly startling declarations. He painted a grim picture, stating emphatically that the U.S. is home to the "sickest children in the history of the world" and that our nation carries the "highest chronic disease burden ever recorded." Not stopping there, he also claimed that America shells out "two to three times what every developing nation in the world pays" for healthcare, only to suffer the "worst outcomes of any developed nation." Strong words, indeed, designed to stir conversation and, perhaps, concern.

But here’s where the narrative starts to diverge quite sharply from established facts. PolitiFact, a well-respected fact-checking organization, didn't mince words, rating Kennedy's central claim as simply False. And once you dive into the historical context and contemporary health data, it becomes clear why.

Let's cast our minds back a bit, shall we? Before the advent of modern medicine, widespread sanitation, and effective vaccines, childhood was an incredibly perilous journey. Historically speaking, it was common, tragically common in fact, for about half of all children to die before ever reaching puberty, primarily succumbing to a host of infectious diseases. Fast forward to 1900 in the United States: a sobering 1 in 5 children didn't make it past their fifth birthday. That's a statistic that truly underscores the brutal reality of the past.

Today, the picture is dramatically different, a testament to monumental public health efforts. By 2018, the childhood mortality rate for U.S. children aged 1-4 had plummeted to just 24 per 100,000. Think about that — from 1 in 5 to such a tiny fraction. Overall, childhood death rates have fallen sharply, showing an incredible decline from 1900 to 2018. While it's true that we've seen a rise in chronic disease rates (some data points to a 15% to 20% increase between 2011 and 2023), it's crucial to understand that overall childhood mortality remains approximately 80% lower than the global average. And infectious diseases, once the scourge of childhood, now cause almost no deaths in American children. It's a truly remarkable public health success story, one that Kennedy's broad statements unfortunately overshadow.

Experts in the field have been quick to push back against Kennedy’s assertions. Dr. William Schaffner, a distinguished professor of infectious diseases at Vanderbilt University School of Medicine, openly disputed the idea that today's children are the "sickest generation," pointing instead to the significant increase in life expectancy at birth. It’s hard to reconcile “sickest children” with people living much, much longer, isn’t it?

Interestingly, Marion Nestle, a retired professor of nutrition, food studies, and public health from New York University, offered a slightly different take. While she described Kennedy's "Make America Healthy Again" report, released on May 22, 2025, as a "devastating picture of what our society has done to kids," she also viewed it as a "call to action." This report, for context, aligns with President Donald Trump's campaign promise to establish a commission dedicated to investigating the increase in childhood diseases, with a particular focus on areas like vaccines, processed foods, obesity, and autism.

So, while the conversation around rising chronic conditions in children is undeniably important and warrants serious attention, labeling American children as the "sickest in the history of the world" fundamentally ignores the massive strides made in preventing early childhood deaths and managing infectious diseases over the past two centuries. Kennedy has voiced this sentiment before, back in 2024, and despite PolitiFact's outreach to the Health and Human Services Department for data to support his statements, no immediate response or corroborating evidence was provided. It seems, then, that a closer look at the data paints a far more hopeful, albeit still complex, picture of child health in the U.S.