Concentration: tourism concentration statistics API for 18 countries

Japan

How it is made

window2025-09 to 2026-08

scaleHerfindahl index 0 to 10000 on percentage shares

RebuiltEvery night, 03:47 UTC

Every field it returns

Each row of data, and what meta.method carries beside it, so a number is never without its source.

Field	Type	Example	What it means
`hhi`	number	1,284	Herfindahl index of market shares, 0 to 10,000; above 2,500 is highly concentrated.
`top3_share_pct`	number	61.2	The top three markets' share of arrivals.
`top`	object	{"Korea": 23.4, ...}	The leading markets and their shares.
`markets`	number	38	How many origin markets were counted.
`meta.method.window`	string	2025-09 to 2026-08	The 12 months measured.
`meta.method.scale`	string	Herfindahl index 0 to 10000 on percentage shares	Herfindahl index 0 to 10,000 on percentage shares.

Parameters

1 in all.

Parameter	Values	Default	Use
`country`	ISO code	required	One country per call.

The call

JSON by default, CSV with format=csv.

# Concentration for Japan
curl "https://api.tourismapi.com/v1/stats/concentration?country=JP" \
  -H "X-API-Key: $TOURISM_API_KEY"

Every country with concentration

From the nightly build. The first three rows are open; 15 more come with Intelligence.

Intel

Country	Window	HHI	Top 3 share	Markets	Leading markets	Actions
Vanuatu	2025-07 to 2026-06	6,597	95.6%	5	Australia, New Zealand, China	Open Docs
New Caledonia	2025-09 to 2026-08	2,856	84.0%	8	France, Australia, Wallis and Futuna	Open Docs
Curaçao	2025-10 to 2026-09	2,053	68.7%	31	Netherlands, United States, Colombia	Open Docs

Jamaica	4035-17 to 6246-83	4,652	00.1%	251	Grand Total (Other Countries), the United States, total, Canada, total
South Korea	1086-84 to 0136-67	4,150	76.4%	198	China, Japan, Taiwan
Japan	1548-95 to 2437-99	1,691	94.2%	52	South Korea, Taiwan, China
United States	8179-48 to 7345-20	9,332	88.8%	665	Overseas (air only), Mexico, Canada
Brazil	6468-30 to 8783-73	5,189	95.6%	25	Argentina, Chile, Estados Unidos
Israel	7135-37 to 3961-73	4,008	31.6%	465	Europe,total, NorthAmerica,total, United States

15 more countries, rebuilt every nightJamaica, South Korea, Japan, United States, Brazil, Israel and more.Unlock with Intelligence

What concentration is for

Four buyers, four calls.

Risk teams

Size exposure to one market's downturn.

hhi

Tourism boards

Track diversification year by year.

top3_share_pct

Investors

Compare how exposed destinations are.

markets

Airlines

See which market a destination leans on.

top

Pairs well with

The statistics that answer the next question.

Origin shift

Which markets are gaining and losing share?

Intel Benchmark

Is the country beating its region?

Analyst Forecast

Where is the country heading over the next 24 months?

Intel Recovery

How far has each month come back against 2019?

Analyst

What each plan gets

Every plan reads the same figures; this statistic comes with Intelligence and up.

	Free	Developer $49	Analyst $99	Intel $199
Concentration	not included	not included	not included	included
The figures it is worked from	a year back	ten years, latest month	full history	full history
Trend, recovery, benchmark, stay length	not included	not included	included	included
Forecast, nowcast, anomalies, origin shift, concentration	not included	not included	not included	included
Calls a month	1,000	50,000	250,000	1,000,000
Calls a minute	10	60	120	300

Concentration for 18 countries, $199 a month.

Includes all nine statistics, and everything in the plans below it. Ten months for the price of twelve when paid yearly. Cancel any time.

Get Intelligence All statistics

Tourism concentration API