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Koshima
City in Kagoshima, Japan
Overview
Koshima is a small, tranquil island located off the Kagoshima coast, best known for its population of wild macaques and serene, untouched landscapes. With a population of just over 1200, it offers an authentic glimpse of rural island life in southern Japan.
Geographic Context
Jurisdiction
Japan
Prefecture
Kagoshima
Population
1,245
Time Zone
Asia/Tokyo
Coordinates
30.23°, 130.54°
Key Metrics
Safety Score · estimate
90
Female Safety
85
LGBTQ+ Safety
45
Traffic Safety
80
Food Safety
95
Monthly Cost · estimate
$928
Local Cost
$605
Local Income
$1,200
Cashless
35
English
25
Temperature
21.8°C
Summer Avg
27.2°C
Winter Avg
15.9°C
Record High
31.4°C
Record Low
6.8°C
Humidity
77%
Precipitation
2797 mm
Internet Speed
359 Mbps
Upload
33 Mbps
Latency
50 ms
City Vibrancy
4
Coworking
0
Cafes
2
Nightlife
0
Parks
2
Transport
0
Walk Score
0
Footways
—
Airport
KUM
Distance
21 km
Explore
Data sources
Source-backed data
World Air Quality Index - Latest available city-level air quality station measurement. Record updated 2025-12-05.
OpenStreetMap - Nearby amenities counted from OpenStreetMap-derived city extracts. Record updated 2025-12-08.
OpenStreetMap transport extract - Walkability, footway density, and airport access metrics derived from mapped transport features. Record updated 2025-12-06.
Estimates and unverified origins
Oyster List climate data - Climate origins are unverified. Available methods include historical APIs and AI estimates; stored rows do not identify the original dataset, reference period, or model for each value. Treat these summaries as estimates until independently verified. Record updated 2026-03-22.
Oyster List city price estimates - Price origins are unverified. Available generation methods include AI estimates; stored records do not identify a survey, observation period, or model for each price. Record updated 2026-01-14.
Oyster List AI-assisted estimates - Safety, lifestyle, income, and practical scores include model-assisted estimates. Stored records do not identify supporting observations for each score. Model-reported confidence: 63/100; this is not a measured accuracy score. Model: derived+gpt-4.1. Record updated 2026-03-26.
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