Marshall Islands Administrative Divisions / Marshall Islands

Overview

Item	Details
Atoll	25
Island	152
Coordinates	✅ Included (all levels)
Formats	JSON, NDJSON, CSV
License	CC-BY-4.0
Last Updated	2026-06-09
Website	openadmindata.org/mh
API	openadmindata.org/api/mh

Browse by Atoll

#	Atoll	Islands	Link
1	Ailinglaplap	12	Browse
2	Ailuk	3	Browse
3	Arno	22	Browse
4	Aur	2	Browse
5	Ebon	8	Browse
6	Eneu	1	Browse
7	Enewetak	1	Browse
8	Jabat	1	Browse
9	Jaluit	19	Browse
10	Kili	1	Browse
11	Kwajalein	19	Browse
12	Lae	2	Browse
13	Lib	1	Browse
14	Likiep	3	Browse
15	Majuro	24	Browse
16	Maloelap	5	Browse
17	Mejit	1	Browse
18	Mili	13	Browse
19	Namdrik	1	Browse
20	Namu	6	Browse
21	Rongelap	1	Browse
22	Ujae	1	Browse
23	Utirik	1	Browse
24	Wotho	1	Browse
25	Wotje	3	Browse

Data Files

File	Format	Description
all-atoll.json	JSON	All 25 atoll records
all-island.json	JSON	All 152 island records
all-flat.json	JSON	Levels 1-1 flat array
all-flat.ndjson	NDJSON	Streaming format
all-flat.csv	CSV	Spreadsheet format
hierarchy.json	JSON	Nested tree
schema.json	JSON Schema	Data schema

Quick Start

Python

import json

with open("data/all-atoll.json", "r", encoding="utf-8") as f:
    data = json.load(f)

for r in data:
    print(f"{r['name']['local']} ({r['name']['en']}) — {r['children_count']['island']} islands")

JavaScript

import { readFileSync } from "fs";

const data = JSON.parse(readFileSync("data/all-atoll.json", "utf-8"));
console.log(`Total: ${data.length} atolls`);

Schema

Field	Type	Description
id	string	Unique identifier
level	integer	1=atoll, 2=island
level_name	object	Level label (local + English)
name.local	string	Name in local script
name.en	string	English name
name.slug	string	URL-safe slug
parent	object/null	Parent division reference
ancestors	array	Full ancestor chain
children_count	object	Count of children per level
zip_codes	array	Postal codes (where available)
geo.lat	string	Latitude (WGS84)
geo.lon	string	Longitude (WGS84)

Full schema: data/schema.json

Hierarchy Browse

divisions/{atoll-slug}/

Islands are listed inline in each atoll's README.

AI Integration

• llms.txt — Quick reference for AI agents
• llms-full.txt — Summary with per-atoll links
• Per-atoll data — Full data by atoll

Citation

Marshall Islands Administrative Divisions Dataset (CC-BY-4.0)
URL: https://github.com/open-admin-data/marshall-islands-administrative-divisions

See CITATION.cff for machine-readable citation.

License

• Data: CC-BY-4.0

Related

• Open Admin Data — Browse, search and explore administrative divisions for every country
• open-admin-data — GitHub organization with all country repos
• ListBase — Structured reference data for every country