Compare joint and nuclear families as demographic units with Nepal's migration reality.3.

Family law — marriage, its dissolution, parent-child relations, and succession (the Family Law course, LAW5304) — is population law's closest cousin: the family is the demographic unit, and family law's rules set its shape and size.7.1.1 Law on Marriage, Divorce and Judicial SeparationMarriage (the Muluki Civil Code 2074's family book): conditions — 20 years' age for both parties; no prohibited degrees (the Schedule's relations); consent; monogamy; registration of marriage as the evidentiary backbone. Demographic levers: the age-20 rule (fertility's legal tap — early marriage as both a rights violation and a fertility multiplier); registration (vital statistics' feed). Divorce: the statutory grounds (for either spouse — the gender-equalized grounds of the 2074 Code) through the court; the property-share and maintenance rules that make exit survivable. Judicial separation: the court's separation order short of dissolution — the marriage suspended, the household re-organized; historically the bridge between endurance and divorce in Nepali practice. Demographic note: divorce law's liberality affects family formation's calculus; Nepal's practice remains low-divorce with rising urban filings.7.1.2 Single and Joint Family and Population• Joint (extended) family: the ghar-jagga household of parents, sons, and sons' families — the classical Nepali settlement: pooled childcare, elder care without pensions, and land held together; demographic effects: earlier childbearing in patrilocal households, pronatalism's economic base (children as the joint estate's heirs and labour).• Single (nuclear)…