Almost 60% of males and 56% of females are migrants. Out of the migrants 53.1% and 53.6% of males and females migrated in the past 10 years. Inter-provincial migrants to NCD come from all provinces of PNG in varying numbers. The major source province was Central with 18% followed by Eastern Highlands, Gulf, and Chimbu with the total of 30%.
The sex ratios have declined notably from a high of 137 in 1980 to 120 in 2000. While this is still high, the decline indicates that the population of NCD has become less male dominated in the last 20 years.
The unemployment rate in NCD in 2000 was 18.5%; this is considerably less than the rate recorded at the 1990 census of 32.3%. The male unemployment rate (21.8%) in NCD in 2000 was almost twice the female rate (12.8%) in 2000.
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