Locale Id Id

Reference data for the Indonesian (Indonesia) locale — endonym Bahasa Indonesia (Indonesia), written in the Latin script, left-to-right (LTR).

Identifiers

• BCP 47 tag: id-ID
• ISO 639-1: id
• ISO 639-3: ind
• Script: Latn (Latin)
• Region: ID (Indonesia)
• Text direction: ltr — left-to-right (LTR)

Speakers (approximate)

• L1 (native): 75,000,000
• L2 (additional): 177,000,000
• L1+L2 (total): 252,000,000

Base locale

This is a regional variant of Locale Id 001 (Indonesian), the base/macro locale for this language.

Pluralization

CLDR plural categories for this locale: other (1 form).

• other — everything else (e.g. 0~15, 100, 1000, 10000, …)

See Unicode Messageformat for writing plural messages using these categories.

Translating into this locale

Apply Locale Id 001 with the conventions of Indonesia.

• Formats: rupiah "Rp12.500" with no space; decimal comma; dates "17 Oktober 2026"; 24-hour clock; Indonesia spans three time zones (WIB, WITA, WIT).
• Terminology: use Indonesian government terminology (Badan Bahasa's Glosarium) for official text.
• Names: many Indonesians have a single name; do not require a family name in forms.
• Tone: polite, communal, and indirect; avoid blunt refusal.
• Regional languages: Javanese, Sundanese, and others are mother tongues for many; Indonesian remains the language of national content (see Locale Jv 001 for Javanese).

Common pitfalls

• Requiring a family name in forms.
• Using Malay vocabulary or currency formats.
• The general pitfalls in Locale Id 001 also apply.

Learn more

• Locale for BCP 47 identifiers, locale-sensitive formatting, pluralization, and text-direction concepts that apply across all locales.
• Unicode Messageformat for writing plural/selection messages correctly for this locale's grammar.
• Badan Bahasa, Glosarium (terminology glossary)