# Assessment Data

## Children are good, actually

Cities are changing, how do we know if we are headed in the right direction? Looking at the change in children gives us a simple uncontroversial metric to assess that, most people can agree that children are good for cities.

There are many useful metrics to understand neighbourhood change, change in the income distribution, change in the share of population in low income and change in dwelling units, change in households who rent, or just overall population change and how that relates to zoning. All these tell us something about how neighbourhoods change, the metric we want to focus on in this post is the number of children under 15.

## Lots of Opportunity: Estimating the Zoning Tax in Vancouver

Zoning bylaws restrict the size and frontage of lots, preventing lots from getting subdivided. The opportunity cost of freezing City of Vancouver land use in RS zoned areas in amber is enormous, it amounts to around $40 billion from preventing 2:1 lots splits, and an additional$100 billion from preventing further subdivision beyond that.