Experts are worried the census will once again undercount kids younger than 5

Despite years of warnings, census experts worry it’s likely that children younger than 5 will be undercounted again in next year’s survey – and that could mean more difficulty for low-income families reliant on government-backed services.

One of the biggest stumbling blocks is awareness. Many households do not include young children when they return their census forms, according to people who study the population and demographics.

Young children are difficult to count for many reasons, said Bill O’Hare, a census expert for the Count All Kids Committee.