Her vises en liste over udviklingen i antal indbyggere i Riga fra [[1767]] til [[2008]].
{|                                        
| valign="top" |
{| class="wikitable"
! style="background:#efefef;" | År
! style="background:#efefef;" | Indbyggere{{kilde mangler|dato=Uge 3, 2011}}
|-
| [[1767]] || align="right" | 19.500
|-
| [[1800]] || align="right" | 29.500
|-
| [[1840]] || align="right" | 60.000
|-
| [[1867]] || align="right" | 102.590
|-
| [[1881]] || align="right" | 169.329
|-
| [[1897]] || align="right" | 255.879
|-
| [[1913]] || align="right" | 472.068
|-
| [[1920]]  || align="right" |185.100  
|-
| [[1930]] || align="right" | 377.900
|-
| [[1940]] || align="right" | 353.800
|- 
|}
| valign="top" |
{| class="wikitable"
! style="background:#efefef;" | År
! style="background:#efefef;" | Indbyggere
|-
| [[1941]] || align="right" | 335.200
|-
| [[1945]]  || align="right" |228.200
|-
| [[1950]] || align="right" | 482.300
|-
| [[1955]] || align="right" | 566.900
|-
| [[1959]] || align="right" | 580.400
|-
| [[1965]] || align="right" | 665.200
|-
| [[1970]] || align="right" | 731.800
|-
| [[1975]] || align="right" | 795.600
|-
| [[1979]] || align="right" | 835.500
|-
| [[1987]] || align="right" | 900.300
|- 
|}
| valign="top" |
{| class="wikitable"
! style="background:#efefef;" | År
! style="background:#efefef;" | Indbyggere
|-
| [[1990]] || align="right" | 909.135
|-
| [[1991]] || align="right" | 900.455
|-
| [[1992]] || align="right" | 889.741
|-
| [[1993]] || align="right" | 863.657
|-
| [[1994]] || align="right" | 843.552
|-
| [[1995]] || align="right" | 824.988
|-
| [[1996]] || align="right" | 810.172
|-
| [[1997]] || align="right" | 797.947
|-
| [[1998]] || align="right" | 786.612
|-
| [[1999]] || align="right" | 776.008
|- 
|}
| valign="top" |
{| class="wikitable"
! style="background:#efefef;" | År
! style="background:#efefef;" | Indbyggere
|-
| [[2000]] || align="right" | 764.329
|-
| [[2001]] || align="right" | 756.627
|-
| [[2002]] || align="right" | 747.157
|-
| [[2003]] || align="right" | 739.232
|-
| [[2004]] || align="right" | 735.241
|-
| [[2005]] || align="right" | 731.762
|-
| [[2006]] || align="right" | 727.578
|-
| [[2007]] || align="right" | 722.485
|-
| [[2008]] || align="right" | 717.371
|-
| [[2021]] || align="right" | {{WD indbyg1/år/text|ref=ja}}
|}
|}
Historie Foreninger Organisationer