From 2020 onward, New Zealand’s median age continues to grow as birth rates remain relatively low, reaching 37.3 by 2023 and projected to reach 39.2 by 2030. The steady increase in the median age is consistent with New Zealand’s urbanization, where younger generations have fewer children, leading to a predominantly older population structure over time.
For a broader context, visit other statistics on New Zealand’s unemployment rate trend, New Zealand’s manufacturing sector GDP share, growth of urbanization in New Zealand.