Second-largest immigrant source country (UN DESA 2024 migrant stock by destination and origin, as used by Migration Data Portal)

India:
  2000: top1=Bangladesh 3750017; top2=Pakistan 1331798
  2005: top1=Bangladesh 3270309; top2=Pakistan 1120825
  2010: top1=Bangladesh 2801919; top2=Pakistan 940336
  2015: top1=Bangladesh 2604674; top2=Pakistan 873404
  2020: top1=Bangladesh 2429312; top2=Pakistan 814599

Indonesia:
  2000: top1=Timor-Leste 184250; top2=Japan 23508
  2005: top1=Timor-Leste 30324; top2=Japan 16384
  2010: top1=Timor-Leste 33385; top2=Japan 16629
  2015: top1=Timor-Leste 52987; top2=China 15036
  2020: top1=Malaysia 94489; top2=Timor-Leste 84310

Ireland:
  2000: top1=United Kingdom* 239615; top2=United States of America* 23490
  2005: top1=United Kingdom* 282759; top2=Poland 40888
  2010: top1=United Kingdom* 288432; top2=Poland 107993
  2015: top1=United Kingdom* 278827; top2=Poland 115223
  2020: top1=United Kingdom* 285496; top2=Poland 108755

Italy:
  2000: top1=Switzerland 193999; top2=Germany 193106
  2005: top1=Romania 386795; top2=Albania 260914
  2010: top1=Romania 775003; top2=Albania 386978
  2015: top1=Romania 953353; top2=Albania 418672
  2020: top1=Romania 947155; top2=Albania 493666

Kenya:
  2000: top1=Uganda 261491; top2=Somalia 159197
  2005: top1=Uganda 291776; top2=Somalia 208156
  2010: top1=Somalia 392063; top2=Uganda 326978
  2015: top1=Somalia 488470; top2=Uganda 333789
  2020: top1=Somalia 425284; top2=Uganda 290597

Detailed top origins in 2020 (for verification):
India: Bangladesh 2429312, Pakistan 814599, Nepal 696618, Sri Lanka 248065, China 106434, Myanmar 63898, Brunei Darussalam 23062, Afghanistan 21164, United Arab Emirates 20869, United States of America* 17244
Indonesia: Malaysia 94489, Timor-Leste 84310, China 47633, India 13142, Thailand 9238, Saudi Arabia 7822, Afghanistan 7646, Japan 7432, Republic of Korea 4889, Australia* 1466
Ireland: United Kingdom* 285496, Poland 108755, India 42645, Romania 37878, Lithuania 33974, United States of America* 32488, Brazil 30415, Latvia 19924, Nigeria 19296, Philippines 18185
Italy: Romania 947155, Albania 493666, Morocco 450791, Ukraine* 243390, China 241671, Germany 201340, Republic of Moldova* 200676, Switzerland 188643, India 167256, Philippines 145508
Kenya: Somalia 425284, Uganda 290597, South Sudan 121553, Democratic Republic of the Congo 43577, United Republic of Tanzania 34767, Ethiopia 32115, Burundi 15098, Sudan 9926, Rwanda 5510, Eritrea 1851