How few languages cover a whole region?

Pick one of 18 common market groups, like the Nordics or MENA, or build your own from any set of countries. The tool adds one language at a time and shows how much of the region each one covers. Most groups reach the large majority of their people with three or four languages.

Pick a region

Southeast Asia

Mobile-first, payments-fragmented. Indonesian, Thai, Vietnamese, Filipino, Malay; none of them well-served by MT in 2026 vs. CJK.

Population

699.1M

Online population

520.1M

Population × World Bank internet share

Internet share

74%

Group online population ÷ group population

Aggregate GDP

$10.3T

GDP per capita

$14,727

Aggregate GDP ÷ population

Top-3 locale reach

54.9%

Indonesian + English + Javanese

Languages tracked

69

L1+L2, ≥0.1% share in any member country

RTL speech share

0%

L1+L2 speakers of right-to-left scripts

ScriptsLatin 86%Other-Brahmic 6%Thai 6%CJK 2%

Cumulative locale coverage

Add locales from the top. Each row shows the population share the locale adds in Southeast Asia and the running total. Shares count L1 and L2 speakers, so one bilingual person can count twice.

#LocaleAddsCumulative reach
01
Indonesian
id
+25.8%
25.8%
02
English
en
+15.4%
41.1%
03
Javanese
jv
+13.8%
54.9%≥50%
04
Vietnamese
vi
+13.0%
67.9%
05
Filipino
fil
+10.2%
78.1%
06
Thai
th
+8.0%
86.1%≥80%
07
Burmese
my
+5.3%
91.3%
08
Malay
ms
+5.3%
96.6%≥95%
09
Spanish
es
+3.4%
100.0%
10
Sundanese
su
+0.0%
100.0%
11
Cebuano
ceb
+0.0%
100.0%
12
Madurese
mad
+0.0%
100.0%
10 countries · top contributors by population