By 2020, the number of people worldwide who are aged 65 or older will outnumber children under the age of 5. Elderly citizens have a very different set of needs than younger generations, and city planners are realizing that actions will need to be taken to meet those needs. Senior-friendly architecture, access to specialized health care, volunteer opportunities, safe transportation, and supportive communities will be huge priorities for an aged-majority population, and many cities around the world are taking note and putting plans into action.