What are the ISO 2 letter language codes for the most commonly spoken languages in the world?

The ISO 2 letter language codes for the most commonly spoken languages in the world are:

• English (EN)
• Mandarin Chinese (ZH)
• Spanish (ES)
• Hindi (HI)
• Arabic (AR)
• Bengali (BN)
• Portuguese (PT)
• Russian (RU)
• Japanese (JA)
• Lahnda (Punjabi) (PA)