Afghanistan (P), Albania (B), Algeria, Armenia (B), Austria (B) (P), Azerbaijan (B) (NB), Bahrain, Bangladesh (NB), Belarus (B), Belgium (B), Benin, Bhutan, Bosnia and Herzegovina (B) (NB), Brunei Darussalam, Bulgaria (B) (NB), Burkina Faso, Burundi, Cambodia, Cameroon, Central African Republic, Chad, China (mainland), Congo [The Democratic Republic of the], Côte dIvoire, Croatia (Local Name: Hrvatska) (B) (NB), Cyprus (B) (P), Czech Republic (B) (NB), Denmark (B) (P), Djibouti, Egypt, Eritrea, Estonia (B) (P), Ethiopia, Finland (B) (P), France (B) (NB) (P), Gabon, Gambia, Georgia (B), Germany (B) (P), Ghana, Greece (B) (P), Guam (NB), Guinea, Guinea-bissau, Hong Kong (China), Hungary (B) (P), India, Indonesia, Iran [Islamic Republic of] (P), Iraq (NB) (P), Ireland (B) (NB), Israel (P), Italy (B) (NB) (P), Japan, Jordan (P), Kazakhstan (B), Kenya, Kuwait, Kyrgyzstan, Laos, Latvia (B), Lebanon, Liberia, Libyan Arab Jamahiriya, Liechtenstein, Lithuania (B) (NB), Luxembourg (B), Macedonia [The Former Yugoslav Republic of] (B), Malawi, Malaysia, Maldives, Mali, Malta, Mauritania, Moldova [Republic of] (B) (P), Mongolia (B), Montenegro (B), Morocco, Myanmar, Nepal, Netherlands Antilles (B) (NB), Niger (NB), Nigeria, North Korea, Northern Mariana Islands (NB), Norway (B), Oman, Pakistan, Palau (NB), Papua New Guinea, Philippines (NB), Poland (B) (NB) (P), Portugal (B), Qatar, Romania (B) (NB) (P), Russia (Asian) (B), Russia (Central Asian) (B) (P), Russia (European) (B) (P), Rwanda, Saudi Arabia, Senegal, Serbia (B), Seychelles, Sierra Leone, Singapore, Slovakia (Slovak Republic) (B) (NB), Slovenia (B) (NB) (P), Somalia, South Africa, South Korea, Spain (B) (NB), Sri Lanka (NB), Sudan, Sweden (B) (P), Switzerland (B) (NB), Syrian Arab Republic, Taiwan (China), Tajikistan, Tanzania [United Republic of], Thailand, Togo, Tunisia, Turkey (B) (NB), Uganda, Ukraine (B) (NB) (P), United Arab Emirates, United Kingdom (B), Uzbekistan (B), Vietnam (NB), Western Sahara, Yemen, Zambia, Zimbabwe.
Vagrant to Australia, Barbados, Botswana, Canada, Cape Verde, Christmas Island, Faroe Islands, Iceland, Marshall Islands, Mauritius, Puerto Rico, Réunion, Svalbard and Jan Mayen Islands, Timor-Leste, United States Minor Outlying Islands, USA (NB).
Palearctic, mostly between 42° northern and 65° north.
 
Population
Estimated population is 2,600,000 - 2,800,000 (2010).
The Field Guide to the Birds of Australia Pizzey, G., and Knight, E., 1997, Angus & Robertson, Sydney ISBN 0 207 19691 5
Field Guide to Australian Birds Morecombe, M., 2000, Steve Parish Publishing Pty Ltd. ISBN 1 876282 10 X
Field Guide to the Birds of Australia Simpson, K., and Day, N., 1999, 6th Edition, Viking ISBN 0 670 87918 5
Reader's Digest Complete Book of Australian Birds 1988, 2nd Edition, Reader's Digest ISBN 0 949819 99 9
What Bird is That? 1984, Revised Edition, Angus & Robertson, Sydney ISBN 0 207 14846 5
Handbook of Australian, New Zealand & Antarctic Birds 1990 - , Oxford University Press, Melbourne ISBN 0 19 553244 9