3 ms·How have space requirements for families increased when average family size has decreased?by zip1234 7y agoHow have space requirements for families increased when average family size has decreased?d1zzy 7y agoThe average size of a family member has increased?lsaferite 7y agoThey called out the increasing size of car seats specifically and I can attest to that. The increase in size being driven by safety, not child size.