1. The multiregional method, which reflects the interdependencies among regions, is highly practical for a country like Indonesia with large regional differences (dit proefschrift).
2. Demographers and other scholars should take advantages the increase in quantity and quality of Indonesian demographic data sources to present more accurate and better information on trends, determinants, and consequences of the population dynamics (dit proefschrift).
3. The period-cohort data is the ideal data type for projection purpose (dit proefschrift).
4. Regional projections using net migration may lead to substantially different results than using gross migration (dit proefschrift).
5. The Heligman-Pollard model fits Indonesian mortality data. The Rogers-Castro model of migration fits migration data. The fertility data are adequately described by the double exponential model (dit proefschrift).
6. Detail scenarios about the level and age patterns of demographic variables (fertility, mortality, and migration) often require the combination of different data sources (dit proefschrift).
7. The National Social Economic Survey (SUSENAS) allows the estimation of Indonesian adult mortality. In combination with the Indonesian Demographic and Health Survey (IDHS), mortality can be derived for all ages (dit proefschrift).
8. When migration is low, both uniregional and multiregional methods give very similar projection results. When migration is high, the results are likely to substantially different (dit proefschrift).
9. If we do not honour our past, we lose our future. If we destroy our roots we cannot grow (Hundertwasser, Vienna).
10. Studying and living in Groningen, for most students, mean multi-nation friends, multiple resident movements, and multiple careers.
Saluhidin Muhidin, 2002