# statfin.demographics.population

Get the historical and current population of Finland on 31 December each year. Returns annual population figures (total, male, or female) for up to 276 years back to 1750. Includes the latest official figure, e.g. 5,652,881 persons at end of 2025. Data from Statistics Finland population register — authoritative national headcount. No API key required — official Finnish government open data (CC BY 4.0).

Agent View of the PolicyLayer registry record for `statfin.demographics.population`. HTML page: https://policylayer.com/tools/io-github-whiteknightonhorse-apibase/statfin.demographics.population

## Facts

- Tool: `statfin.demographics.population`
- Server: Apibase (`apibase-mcp-client`) — https://policylayer.com/tools/io-github-whiteknightonhorse-apibase.md
- Install: `npx -y apibase-mcp-client`
- Homepage: https://github.com/whiteknightonhorse/APIbase
- Risk category: Read (Low risk)
- Registry record: grade F, identity unverified
- Server auth posture: open
- Server rate-limited: no
- Parameters: 2
- Recommended policy verdict: Allowed

## Parameters

| Parameter | Type | Required | Description |
| --- | --- | --- | --- |
| `sex` | string | no | Sex filter (default "total"). "total" returns combined population; "male"/"female" splits by sex. |
| `years` | integer | no | Number of recent years to return (1–276, default 10). Finland population records go back to 1750. |

Parameters from the server's own tool schema.

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "statfin.demographics.population",
    "arguments": {}
  }
}
```

## Why statfin.demographics.population is rated Low

Retrieves read-only historical demographic statistics from official government open data source with no side effects.

From the tool's own definition: "Get historical and current population of Finland; returns annual population figures; open data"

## Use case

AI agents call statfin.demographics.population to retrieve information from Apibase without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

## Recommended policy (PolicyLayer)

Verdict: **Allowed**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Apibase:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "statfin.demographics.population": {}
  }
}
```

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## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

---

Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=io-github-whiteknightonhorse-apibase · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/io-github-whiteknightonhorse-apibase