Heard Island and McDonald Islands

Datasets (2)

SEL — DGIWG Statistical Extent Location SEL+ — Platform extension (not in DGIWG core spec) CCL — DGIWG Cultural Context Location Extension — Preserved in extension tables (not in core SEL/CCL schema) Pending — Awaiting mapping

HMD OpenFactBook HMD-OPENFACTBOOK Country Profile

9 rows · 9 table(s) OpenFactBook 0 1 2 3 36 SEL 69 ext ▶

or use the per-admin-level buttons below. Free downloads return a 10-row sample. Contact us for the full pack.

0 Admin 0 — 9 table(s)

HMD OpenFactBook - Communications — 1 rows, 6 columns

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Field details — 6 fields (type, nulls, unique, samples)

Standards-Aligned Fields (4)

Field Name	Label	Type	Schema	Nulls	Unique	Samples
`internet_country_code_text`	Internet country code text	string	SEL+	0%	1	.hm
`country_code`	Country code	string	SEL	0%	1	HMD
`country_name`	Country name	string	SEL	0%	1	Heard Island and McDonald Islands
`admin_level`	Admin level	string	SEL	0%	1	national

Extension Fields (2) — supplemental data preserved outside core SEL/CCL schema

Field Name	Label	Type	Nulls	Unique	Samples
`source_section`	source_section	string	0%	1	Communications
`source_profile_path`	source_profile_path	string	0%	1	antarctica/hm.json

HMD OpenFactBook - Economy — 1 rows, 5 columns

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Field details — 5 fields (type, nulls, unique, samples)

Standards-Aligned Fields (3)

Field Name	Label	Type	Schema	Nulls	Unique	Samples
`country_code`	Country code	string	SEL	0%	1	HMD
`country_name`	Country name	string	SEL	0%	1	Heard Island and McDonald Islands
`admin_level`	Admin level	string	SEL	0%	1	national

Extension Fields (2) — supplemental data preserved outside core SEL/CCL schema

Field Name	Label	Type	Nulls	Unique	Samples
`source_section`	source_section	string	0%	1	Economy
`source_profile_path`	source_profile_path	string	0%	1	antarctica/hm.json

HMD OpenFactBook - Environment — 1 rows, 10 columns

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Field details — 10 fields (type, nulls, unique, samples)

Standards-Aligned Fields (4)

Field Name	Label	Type	Schema	Nulls	Unique	Samples
`land_use_agricultural_land_numeric`	Agricultural land percent	float	SEL	0%	1	0.0
`country_code`	Country code	string	SEL	0%	1	HMD
`country_name`	Country name	string	SEL	0%	1	Heard Island and McDonald Islands
`admin_level`	Admin level	string	SEL	0%	1	national

Extension Fields (6) — supplemental data preserved outside core SEL/CCL schema

Field Name	Label	Type	Nulls	Unique	Samples
`climate_text`	climate_text	string	0%	1	antarctic
`land_use_agricultural_land_text`	land_use_agricultural_land_text	string	0%	1	0% (2011 est.)
`land_use_other_text`	land_use_other_text	string	0%	1	100% (2018 est.)
`land_use_other_numeric`	land_use_other_numeric	float	0%	1	100.0
`source_section`	source_section	string	0%	1	Environment
`source_profile_path`	source_profile_path	string	0%	1	antarctica/hm.json

HMD OpenFactBook - Geography — 1 rows, 39 columns

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Field details — 39 fields (type, nulls, unique, samples)

Standards-Aligned Fields (11)

Field Name	Label	Type	Schema	Nulls	Unique	Samples
`area_total_numeric`	Area sqkm	float	SEL	0%	1	412.0
`area_land_numeric`	Area land sqkm	float	SEL	0%	1	412.0
`area_water_numeric`	Area water sqkm	float	SEL	0%	1	0.0
`land_boundaries_total_numeric`	Land boundary km	float	SEL	0%	1	0.0
`coastline_numeric`	Coastline km	float	SEL	0%	1	101.9
`elevation_highest_point_numeric`	Elevation max m	float	SEL	0%	1	2745.0
`elevation_lowest_point_numeric`	Elevation min m	float	SEL	0%	1	0.0
`land_use_agricultural_land_numeric`	Agricultural land percent	float	SEL	0%	1	0.0
`country_code`	Country code	string	SEL	0%	1	HMD
`country_name`	Country name	string	SEL	0%	1	Heard Island and McDonald Islands
`admin_level`	Admin level	string	SEL	0%	1	national

Extension Fields (28) — supplemental data preserved outside core SEL/CCL schema

Field Name	Label	Type	Nulls	Unique	Samples
`location_text`	location_text	string	0%	1	islands in the Indian Ocean, about two-thirds of the way...
`geographic_coordinates_text`	geographic_coordinates_text	string	0%	1	53 06 S, 72 31 E
`geographic_coordinates_numeric`	geographic_coordinates_numeric	float	0%	1	53.0
`map_references_text`	map_references_text	string	0%	1	Antarctic Region
`area_total_text`	area_total_text	string	0%	1	412 sq km
`area_land_text`	area_land_text	string	0%	1	412 sq km
`area_water_text`	area_water_text	string	0%	1	0 sq km
`area_comparative_text`	area_comparative_text	string	0%	1	slightly more than two times the size of Washington, D.C.
`land_boundaries_total_text`	land_boundaries_total_text	string	0%	1	0 km
`coastline_text`	coastline_text	string	0%	1	101.9 km
`maritime_claims_territorial_sea_text`	maritime_claims_territorial_sea_text	string	0%	1	12 nm
`maritime_claims_territorial_sea_numeric`	maritime_claims_territorial_sea_numeric	float	0%	1	12.0
`maritime_claims_exclusive_fishing_zone_text`	maritime_claims_exclusive_fishing_zone_text	string	0%	1	200 nm
`maritime_claims_exclusive_fishing_zone_numeric`	maritime_claims_exclusive_fishing_zone_numeric	float	0%	1	200.0
`climate_text`	climate_text	string	0%	1	antarctic
`terrain_text`	terrain_text	string	0%	1	Heard Island - 80% ice-covered, bleak and mountainous,...
`terrain_numeric`	terrain_numeric	float	0%	1	80.0
`elevation_highest_point_text`	elevation_highest_point_text	string	0%	1	Mawson Peak on Big Ben volcano 2,745 m
`elevation_lowest_point_text`	elevation_lowest_point_text	string	0%	1	Indian Ocean 0 m
`natural_resources_text`	natural_resources_text	string	0%	1	fish
`land_use_agricultural_land_text`	land_use_agricultural_land_text	string	0%	1	0% (2011 est.)
`land_use_other_text`	land_use_other_text	string	0%	1	100% (2018 est.)
`land_use_other_numeric`	land_use_other_numeric	float	0%	1	100.0
`natural_hazards_text`	natural_hazards_text	string	0%	1	Mawson Peak, an active volcano, is on Heard Island
`geography_note_text`	geography_note_text	string	0%	1	Mawson Peak on Heard Island is the highest Australian...
`geography_note_numeric`	geography_note_numeric	float	0%	1	2745.0
`source_section`	source_section	string	0%	1	Geography
`source_profile_path`	source_profile_path	string	0%	1	antarctica/hm.json

HMD OpenFactBook - Government — 1 rows, 18 columns

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Field details — 18 fields (type, nulls, unique, samples)

Standards-Aligned Fields (2)

Field Name	Label	Type	Schema	Nulls	Unique	Samples
`country_code`	Country code	string	SEL	0%	1	HMD
`admin_level`	Admin level	string	SEL	0%	1	national

Extension Fields (16) — supplemental data preserved outside core SEL/CCL schema

Field Name	Label	Type	Nulls	Unique	Samples
`country_name_conventional_long_form_text`	country_name_conventional_long_form_text	string	0%	1	Territory of Heard Island and McDonald Islands
`country_name_conventional_short_form_text`	country_name_conventional_short_form_text	string	0%	1	Heard Island and McDonald Islands
`country_name_abbreviation_text`	country_name_abbreviation_text	string	0%	1	HIMI
`country_name_etymology_text`	country_name_etymology_text	string	0%	1	named after US Captain John HEARD, who sighted the...
`country_name_etymology_numeric`	country_name_etymology_numeric	float	0%	1	25.0
`dependency_status_text`	dependency_status_text	string	0%	1	territory of Australia; administered from Canberra by...
`legal_system_text`	legal_system_text	string	0%	1	the laws of Australia apply
`diplomatic_representation_in_the_us_text`	diplomatic_representation_in_the_us_text	string	0%	1	none (territory of Australia)
`diplomatic_representation_from_the_us_embassy_text`	diplomatic_representation_from_the_us_embassy_text	string	0%	1	none (territory of Australia)
`flag_text`	flag_text	string	0%	1	the flag of Australia is used
`national_heritage_total_world_heritage_sites_text`	national_heritage_total_world_heritage_sites_text	string	0%	1	1 (natural); note - excerpted from the Australia entry
`national_heritage_total_world_heritage_sites_numeric`	national_heritage_total_world_heritage_sites_numeric	float	0%	1	1.0
`national_heritage_selected_world_heritage_site_locales_text`	national_heritage_selected_world_heritage_site_locales_text	string	0%	1	Heard Island and McDonald Islands
`country_name`	country_name	string	0%	1	Heard Island and McDonald Islands
`source_section`	source_section	string	0%	1	Government
`source_profile_path`	source_profile_path	string	0%	1	antarctica/hm.json

HMD OpenFactBook - Introduction — 1 rows, 7 columns

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Field details — 7 fields (type, nulls, unique, samples)

Standards-Aligned Fields (3)

Field Name	Label	Type	Schema	Nulls	Unique	Samples
`country_code`	Country code	string	SEL	0%	1	HMD
`country_name`	Country name	string	SEL	0%	1	Heard Island and McDonald Islands
`admin_level`	Admin level	string	SEL	0%	1	national

Extension Fields (4) — supplemental data preserved outside core SEL/CCL schema

Field Name	Label	Type	Nulls	Unique	Samples
`background_text`	background_text	string	0%	1	American sailor John HEARD discovered Heard Island in...
`background_numeric`	background_numeric	float	0%	1	1853.0
`source_section`	source_section	string	0%	1	Introduction
`source_profile_path`	source_profile_path	string	0%	1	antarctica/hm.json

HMD OpenFactBook - Military And Security — 1 rows, 6 columns

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Field details — 6 fields (type, nulls, unique, samples)

Standards-Aligned Fields (3)

Field Name	Label	Type	Schema	Nulls	Unique	Samples
`country_code`	Country code	string	SEL	0%	1	HMD
`country_name`	Country name	string	SEL	0%	1	Heard Island and McDonald Islands
`admin_level`	Admin level	string	SEL	0%	1	national

Extension Fields (3) — supplemental data preserved outside core SEL/CCL schema

Field Name	Label	Type	Nulls	Unique	Samples
`military_note_text`	military_note_text	string	0%	1	defense is the responsibility of Australia
`source_section`	source_section	string	0%	1	Military and Security
`source_profile_path`	source_profile_path	string	0%	1	antarctica/hm.json

HMD OpenFactBook - People And Society — 1 rows, 7 columns

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Field details — 7 fields (type, nulls, unique, samples)

Standards-Aligned Fields (3)

Field Name	Label	Type	Schema	Nulls	Unique	Samples
`country_code`	Country code	string	SEL	0%	1	HMD
`country_name`	Country name	string	SEL	0%	1	Heard Island and McDonald Islands
`admin_level`	Admin level	string	SEL	0%	1	national

Extension Fields (4) — supplemental data preserved outside core SEL/CCL schema

Field Name	Label	Type	Nulls	Unique	Samples
`population_total_text`	population_total_text	string	0%	1	uninhabited
`population_note`	population_note	string	0%	1	note: limited scientific research and expeditions
`source_section`	source_section	string	0%	1	People and Society
`source_profile_path`	source_profile_path	string	0%	1	antarctica/hm.json

HMD OpenFactBook - Transportation — 1 rows, 7 columns

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Field details — 7 fields (type, nulls, unique, samples)

Standards-Aligned Fields (3)

Field Name	Label	Type	Schema	Nulls	Unique	Samples
`country_code`	Country code	string	SEL	0%	1	HMD
`country_name`	Country name	string	SEL	0%	1	Heard Island and McDonald Islands
`admin_level`	Admin level	string	SEL	0%	1	national

Extension Fields (4) — supplemental data preserved outside core SEL/CCL schema

Field Name	Label	Type	Nulls	Unique	Samples
`heliports_text`	heliports_text	string	0%	1	2 (2025)
`heliports_numeric`	heliports_numeric	float	0%	1	2.0
`source_section`	source_section	string	0%	1	Transportation
`source_profile_path`	source_profile_path	string	0%	1	antarctica/hm.json

HMD NGA GEOnet Names Server (GNS) HMD-NGA_GNS Language

1 rows · 1 table(s) NGA GEOnet Names Server (GNS) 0 1 2 3 3 SEL 4 CCL 12 ext ▶

or use the per-admin-level buttons below. Free downloads return a 10-row sample. Contact us for the full pack.

0 Admin 0 — 1 table(s)

HMD Nga Gns - Summary — 1 rows, 19 columns

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Field details — 19 fields (type, nulls, unique, samples)

Standards-Aligned Fields (7)

Field Name	Label	Type	Schema	Nulls	Unique	Samples
`country_code`	country_code	string	SEL	0%	1	HMD
`admin_level`	admin_level	integer	SEL	0%	1	0
`gns_country_name`	gns_country_name	string	SEL	0%	1	Heard Island and McDonald Islands
`gns_language_count`	gns_language_count	integer	CCL	0%	1	0
`gns_script_count`	gns_script_count	integer	CCL	0%	1	0
`gns_endonym_share_pct`	gns_endonym_share_pct	float	CCL	0%	1	100.0
`gns_non_roman_name_count`	gns_non_roman_name_count	integer	CCL	0%	1	0

Extension Fields (12) — supplemental data preserved outside core SEL/CCL schema

Field Name	Label	Type	Nulls	Unique	Samples
`gns_name_count`	gns_name_count	integer	0%	1	155
`gns_feature_count`	gns_feature_count	integer	0%	1	96
`gns_endonym_count`	gns_endonym_count	integer	0%	1	155
`gns_exonym_count`	gns_exonym_count	integer	0%	1	0
`gns_source_build_date`	gns_source_build_date	string	0%	1	Wed, 05 Aug 2026
`gns_source_change_date`	gns_source_change_date	string	0%	1	2026-08-05
`gns_name_count_hypsographic`	gns_name_count_hypsographic	integer	0%	1	116
`gns_feature_count_hypsographic`	gns_feature_count_hypsographic	integer	0%	1	70
`gns_name_count_hydrographic`	gns_name_count_hydrographic	integer	0%	1	35
`gns_feature_count_hydrographic`	gns_feature_count_hydrographic	integer	0%	1	25
`gns_name_count_administrative_regions`	gns_name_count_administrative_regions	integer	0%	1	4
`gns_feature_count_administrative_regions`	gns_feature_count_administrative_regions	integer	0%	1	1

Source	Type	Access
NGA GEOnet Names Server (GNS)	official_government	bulk_download
OpenFactBook	community_compilation	bulk_download

HERA · Human Entity Reference Atlas by Masego Inc

Heard Island and McDonald Islands

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