ABS National and State Population as a JSON REST API

Endpoint

Sample request

curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://api.ausdata.io/v1/data/abs/POPULATION?region=AUS"

Sample response

{
  "data": [
    {
      "period": "2024-Q4",
      "region": "AUS",
      "erp": 27122000,
      "yoy_growth_pct": 2
    }
  ],
  "meta": {
    "endpoint": "/v1/data/abs/POPULATION",
    "source": {
      "name": "ABS",
      "url": "https://www.abs.gov.au/statistics/people/population/national-state-and-territory-population",
      "attribution": "(c) ABS, CC-BY 4.0"
    },
    "retrieved_at": "<ISO timestamp>"
  }
}

Response fields

Frequently asked questions

How do I query the National and State Population dataset via API?

Send a GET request to https://api.ausdata.io/v1/data/abs/POPULATION with an Authorization: Bearer <your-key> header. The response is JSON with a data array and a meta block containing the source and retrieval timestamp. Get a free key at ausdata.io with 500 calls per month.

How often is the National and State Population data updated?

The National and State Population dataset is refreshed quarterly from Australian Bureau of Statistics (ABS). The meta.retrieved_at field on every response tells you exactly when the underlying data was last pulled.

Is there a free tier for the ABS National and State Population API?

Yes. ausdata.io offers a free tier of 500 calls per month across every endpoint, including National and State Population. No credit card required. Paid plans start at $29 AUD per month for 10,000 calls.

What format does the National and State Population API return?

JSON, with a consistent envelope: a data field carrying the rows or object, and a meta field with the source agency, source URL, attribution string, and retrieved_at timestamp. UTF-8, ISO 8601 dates, CC-BY attribution included on every response.