Social Investment Agency

We're a small team that wants to make a difference. By crunching the numbers, we're supporting the social system to understand what investments will help New Zealanders get better outcomes


  • What is social investment? »

    Social investment is about using data and evidence to improve the lives of New Zealanders by investing in what is known to create the best results.

  • Our people »

    Meet the team behind the SIA.

Our resources

  • Tools and guides »

    We're developing a range of tools, products and advice to enable agencies to develop their social investment approaches, and analyse and measure the impact and effectiveness of the services they’re...

  • Fact sheets »

    Check out the plain English fact sheets on our key work areas.

Recent updates

  • Briefings to Incoming Ministers »

    We provided the incoming Minister Responsible for Social Development, Hon Carmel Sepuloni, with the following Briefing to the Incoming Minister (BIM).

  • Draft social investment framework »

    Representatives from social sector agencies are working on a draft framework for social investment.

  • SIA's newsletter now available »

    The SIA’s first newsletter contains information on our Social investment: the next phase event held this week, as well as updates on what’s happening in the SIA.

  • Event - Social investment: the next phase »

    Celebrating and showcasing the social investment journey, this collaborative event was attended by more than 100 people from across New Zealand. Find out more and download the presentations.

  • Our first test case published: social housing »

    We've published our first social investment test case: social housing. We crunched the numbers on social housing to help understand what benefits there are for those living in a social house.