What is "zpg"

ZPG may stand for:

• Zero population growth, a condition of demographic balance where population remains constant over time
• Zero Population Growth, the former name of the organisation Population Connection
• zpg, the ISO 639-3 code for the Guevea De Humboldt Zapotec language
• Z.P.G., a 1972 science fiction film
• ZPG-3W, a non-rigid airship built by the Goodyear Aircraft Company