DTMO · DoD OCONUS Per Diem

Principe, Sao Tome and Principe OCONUS Per Diem Rates (DTMO)

Effective date: January 1, 2009 Last updated: October 1, 2025
Lodging (per night)
$258
Local meals
$38
Incidentals
$9
Maximum per diem
$305
Lodging + meals + incidentals

Historical rate trend

Principe rate history — Max per diem ($/day). Query any past effective date directly via the API.

Effective date Lodging M&IE Max per diem
Jul 1, 2026 $258 $47 $305
Oct 1, 2011 $258 $47 $305

How this rate is used

This DTMO per diem rate is the Department of Defense ceiling for lodging, meals and incidental expenses for DoD travelers (military and civilian) on TDY in Principe, sao-tome-and-principe. It governs OCONUS travel voucher reimbursement and is used by defense and overseas programs for cost estimating. The proportional meal rate ($28) applies when some meals are provided in kind.

Get this data from the API

The exact request that returns this page's data. Change the date parameter to query any historical effective date, or pull it straight into your ERP, payroll, or expense system.

curl -H "X-API-Key: YOUR_KEY" \
  "https://api.allowancesapi.com/v1/dtmo/perdiem/oconus/ST-ST?city=Principe"
Sample response
{
  "effective_date": "2009-01-01",
  "results": [
    {
      "iso_code": "ST-ST",
      "local_incidental": 9,
      "local_meal_rate": 38,
      "location": "Principe",
      "lodging": 258,
      "maximum_perdiem": 305,
      "proportional_meal_rate": 28
    }
  ],
  "verification_url": "https://www.travel.dod.mil/Travel-Transportation-Rates/Per-Diem/"
}

Principe rate FAQ

What is the OCONUS per diem rate for Principe, Sao Tome and Principe?

The current maximum DTMO OCONUS per diem for Principe, Sao Tome and Principe is $305 per day — $258 for lodging, $38 for local meals and $9 for incidentals.

What is the proportional meal rate for Principe?

The proportional meal rate for Principe is $28 per day, used when some meals are furnished.

When did the Principe per diem rate last change?

The rate shown reflects the latest DTMO publication. The historical table above lists prior maximum per diem values back to Oct 1, 2011.

Source & methodology

Effective period
Effective Jan 1, 2009 (published Jul 2026)
Last updated
July 1, 2026

Allowances API is not affiliated with, endorsed by, or sponsored by any U.S. Government agency. All rate data is sourced from official public rate tables and re-published in a normalized format.