Are they counting immigrants?

1. Mandarin Chinese NATIVE: 873 million
2nd: 178 million
TOTAL: 1.051 billion OFFICIAL: People's Republic of China, Republic of China, Singapore

2. Hindi NATIVE: 370 million
2nd:120 million
TOTAL: 490 million OFFICIAL: India, Fiji

3. Spanish NATIVE: 350 million
2nd: 70 million
TOTAL: 420 million OFFICIAL: Argentina, Bolivia, Chile, Colombia, Costa Rica, Cuba, Dominican Republic, Ecuador, El Salvador, Equatorial Guinea, Guatemala, Honduras, Mexico, Nicaragua, Panama, Paraguay, Peru, Spain, United States (New Mexico, Puerto Rico, Uruguay, Venezuela

4. English NATIVE: 340 million
TOTAL: 510 million OFFICIAL: Antigua and Barbuda, Australia, The Bahamas, Bangladesh, Barbados, Belize, Botswana, Brunei, Cameroon, Canada, Dominica, Ethiopia, Eritrea, Fiji, The Gambia, Ghana, Grenada, Guyana, Hong Kong (People's Republic of China), India, Ireland, Jamaica, Kenya, Kiribati, Lesotho, Liberia, Malawi, Maldives, Malta, Marshall Islands, Maritius, Micronesia, Namibia, Nauru, New Zealand, Nigeria, Pakistan, Palau, Papua New Guinea, Philippines, Rwanda, Saint Kitts and Nevs, Saint Lucia, Saint Vincent and the Grenadines, Samoa, Seychelles, Sierra Leone, Singapore, Solomon Islands, Somolia, South Africa, Sri Lanka, Swaziland, Tanzania, Tonga, Trinidad and Tobago, Tuvalu, Uganda, United Kingdom, United States, Vanuatu, Zambia, Zimbabwe.

5. Arabic NATIVE: 206 million
2nd: 24 million
TOTAL: 230 million

[World Almanac est. total 255 million] OFFICIAL: Modern Standard Arabic: Algeria, Bahrain, Chad, Comoros, Djibouti, Egypt, Eritrea, Iraq, Israel, Jordan, Kuwait, Lebanon, Libya, Morocco, Niger, Oman, Palestinian Territories, Quatar, Saudi Arabia, Somalia, Sudan, Syria, Tunisia, United Arab Emirates, Western Sahara, Yemen. | Hasaniya Arabic: Mauritania, Senegal
NATIONAL: Mali
Note: These figures combine all the varieties of Arabic. Some data sources, e.g. CIA World Fact Book, World Almanac, Ethnologue, treat these varieties as separate languages.

6. Portuguese NATIVE: 203 million
2nd: 10 million
TOTAL: 213 million OFFICIAL: Angola, Brazil, Cape Verde, East Timor, Guinea-Bissau, Macau (People's Republic of China), Mozambique, Portugal, São Tomé e Príncipe.

7. Bengali NATIVE: 196 million
TOTAL: 215 million OFFICIAL: Bangladesh, India (Tripura, West Bengal)

8. Russian NATIVE: 145 million
2nd: 110 million
TOTAL: 255 million OFFICIAL: Abkhazia (part of Georgia), Belarus, Kazakhstan, Kyyrgyzstan, Russia, Transnistria (part of Moldova).

9. Japanese NATIVE: 126 million
2nd: 1 million
TOTAL: 127 million OFFICIAL: Japan, Palau

10. German NATIVE: 101 million
2nd: 128 million
TOTAL: 229 million OFFICIAL: Austria, Belgium, Germany, Italy (South Tyrol), Liechtenstein, Luxembourg, Poland, Siwtzerland