DTMO · DoD OCONUS Per Diem

Okayama, Japan OCONUS Per Diem Rates (DTMO)

Effective date: June 1, 2026 Last updated: October 1, 2025
Lodging (per night)
$104
Local meals
$69
Incidentals
$17
Maximum per diem
$190
Lodging + meals + incidentals

Historical rate trend

Okayama 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 $104 $86 $190
Jun 1, 2026 $104 $86 $190
Jan 1, 2026 $107 $89 $196
May 1, 2025 $114 $95 $209
Mar 1, 2025 $110 $91 $201
Feb 1, 2025 $106 $88 $194
Jan 1, 2025 $110 $91 $201
Dec 1, 2024 $107 $89 $196
Oct 1, 2024 $114 $95 $209
Sep 1, 2024 $113 $94 $207
Jun 1, 2024 $107 $89 $196
May 1, 2024 $110 $91 $201
Feb 1, 2024 $114 $95 $209
Dec 1, 2023 $110 $91 $201
Oct 1, 2023 $113 $94 $207
Aug 1, 2023 $115 $95 $210
Jul 1, 2023 $119 $99 $218
Apr 1, 2023 $124 $103 $227
Feb 1, 2023 $129 $106 $235
Jan 1, 2023 $123 $101 $224
Dec 1, 2022 $110 $91 $201
Oct 1, 2022 $115 $95 $210
Aug 1, 2022 $122 $101 $223
Jun 1, 2022 $128 $106 $234
May 1, 2022 $133 $110 $243
Apr 1, 2022 $141 $117 $258
Jan 1, 2022 $146 $121 $267
Oct 1, 2021 $116 $96 $212
Apr 1, 2021 $153 $126 $279
Jan 1, 2021 $161 $133 $294
Dec 1, 2020 $146 $121 $267
Jan 1, 2020 $153 $126 $279
Dec 1, 2019 $161 $133 $294
Feb 1, 2019 $153 $126 $279
Jan 1, 2019 $146 $121 $267
Oct 1, 2018 $153 $126 $279
Jun 1, 2018 $152 $125 $277
Apr 1, 2018 $158 $130 $288
Mar 1, 2018 $152 $125 $277
Nov 1, 2017 $146 $121 $267
Oct 1, 2017 $152 $125 $277
Aug 1, 2017 $146 $121 $267
Jul 1, 2017 $152 $125 $277
Jun 1, 2017 $146 $121 $267
May 1, 2017 $153 $126 $279
Jan 1, 2017 $145 $120 $265
Oct 1, 2016 $152 $125 $277
Aug 1, 2016 $164 $136 $300
May 1, 2016 $153 $126 $279
Apr 1, 2016 $146 $121 $267
Jan 1, 2016 $139 $115 $254
Nov 1, 2015 $159 $131 $290
Oct 1, 2015 $164 $136 $300
Sep 1, 2015 $134 $111 $245
Apr 1, 2015 $139 $115 $254
Jan 1, 2015 $144 $119 $263
Oct 1, 2014 $139 $115 $254
Sep 1, 2013 $173 $143 $316
Aug 1, 2013 $167 $139 $306
Jul 1, 2013 $211 $175 $386
May 1, 2013 $171 $141 $312
Mar 1, 2013 $176 $146 $322
Feb 1, 2013 $187 $155 $342
Jan 1, 2013 $203 $168 $371
Oct 1, 2012 $167 $139 $306
Jul 1, 2012 $213 $177 $390
Apr 1, 2012 $203 $168 $371
Jan 1, 2012 $216 $179 $395
Oct 1, 2011 $213 $177 $390
Page of · 69 rows

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 Okayama, japan. It governs OCONUS travel voucher reimbursement and is used by defense and overseas programs for cost estimating. The proportional meal rate ($44) 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/JP-JP?city=Okayama"
Sample response
{
  "effective_date": "2026-06-01",
  "results": [
    {
      "iso_code": "JP-JP",
      "local_incidental": 17,
      "local_meal_rate": 69,
      "location": "Okayama",
      "lodging": 104,
      "maximum_perdiem": 190,
      "proportional_meal_rate": 44
    }
  ],
  "verification_url": "https://www.travel.dod.mil/Travel-Transportation-Rates/Per-Diem/"
}

Okayama rate FAQ

What is the OCONUS per diem rate for Okayama, Japan?

The current maximum DTMO OCONUS per diem for Okayama, Japan is $190 per day — $104 for lodging, $69 for local meals and $17 for incidentals.

What is the proportional meal rate for Okayama?

The proportional meal rate for Okayama is $44 per day, used when some meals are furnished.

When did the Okayama 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 Jun 1, 2026 (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.