U.S. flag

                    An official website of the United States government

                        Here’s how you know
                    Here’s how you know**Official websites use .gov**
                                
                                A **.gov** website belongs to an official government organization in the United States.
                    **Secure .gov websites use HTTPS**
                                
                                A **lock** (A locked padlock) 或 **https://** means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
 
 Skip Header

    Partners 
        
            Researchers 
        
            Educators 
        
            Survey Respondents

          
        Explore Census.gov for...
    
                Partners
                    
                        Researchers
                    
                        Educators
                    
                        Survey Respondents

                
    News 
        
            NAICS Codes 
        
            Jobs 
        
            About Us 
        
            Contact Us 
        
            Help

            Topics
    
        Data & Maps
    
        Surveys & Programs
    
        Resource Library

				
				
                

                Search data, events, resources, and more

                搜索

          
        
            
            
	
	
	搜索

        Helpful Links

                QuickFacts U.S. Data Finder
                
                    Advanced Data.census.gov Search
                
                    American Community Survey (ACS)
                
                    International Database (IDB)
                
                    Census Records for Genealogy

          
        Helpful Links

            QuickFacts U.S. Data Finder
            
                Advanced Data.census.gov Search
            
                American Community Survey (ACS)
            
                International Database (IDB)
            
                Census Records for Genealogy

	

	搜索

            Menu

	Topics

                        Browse our topics and subtopics to find information and data.

                        
                            View All Topics and Subtopics
                        
                            Index A to Z

                    

                    Age and Sex
                        
                            Business and Economy
                        
                            Education
                        
                            Emergency Management / Disasters
                        
                            Employment
                        
                            Families and Living Arrangements
                        
                            Geography
                        
                            Health
                        
                            Hispanic Origin
                        
                            Housing
                        Income and Poverty
                        
                            International Trade
                        
                            Migration/Geographic Mobility
                        
                            Population
                        
                            Population Estimates
                        
                            Public Sector
                        
                            Race
                        
                            Redistricting
                        
                            Research
                        
                            Voting and Registration
            
                Data & Maps

                        Access demographic, economic and population data from the U.S. Census Bureau. Explore census data with visualizations and view tutorials.

                        
                            Explore data on data.census.gov
                        
                            View all data resources

                    

                    Census Academy
                        
                            Combining Data
                        
                            Data Equity Tools
                        
                            Data Tools and Apps
                        
                            Datasets
                        
                            Developers
                        
                            Experimental Data Products
                        Interactive Maps
                        
                            Mapping Files
                        
                            Profiles
                        
                            Related Sites
                        
                            Software
                        
                            Tables
                        
                            Training and Workshops
                        
                            Visualizations
            
                Surveys & Programs

                        Our surveys provide periodic and comprehensive statistics about the nation. This data is critical for government programs, policies, and decision-making.

                        
                            Survey Help
                        
                            View all Surveys & Programs

                    

                    2020 Census
                        
                            2030 Census
                        
                            American Community Survey (ACS)
                        
                            American Housing Survey (AHS)
                        
                            Annual Business Survey (ABS)
                        
                            Annual Integrated Economic Survey (AIES)
                        
                            Census of Governments
                        
                            County Business Patterns (CBP)
                        
                            Current Population Survey (CPS)
                        Economic Census
                        
                            Household Pulse Survey
                        
                            International Programs
                        
                            Metro and Micro Areas
                        
                            Population Estimates
                        
                            Population Projections
                        
                            Small Area Income and Poverty
                        
                            Statistics of U.S. Businesses
                        
                            Survey of Income and Program Participation (SIPP)
            
                Resource Library

                        Browse our collection of stories and more.

                        
                            View all library resources
                        
                            Glossary

                    

                    America Counts: Stories
                        
                            Audio
                        
                            Blogs
                        
                            By the Numbers
                        
                            Facts for Features
                        
                            Fact Sheets
                        
                            Infographics and Visualizations
                        Photos
                        
                            Publications
                        
                            Spotlights
                        
                            Stats for Stories
                        
                            Training (Census Academy)
                        
                            Videos
                        
                            Working Papers


      
    
    Topics
                
                    Data & Maps
                
                    Surveys & Programs
                
                    Resource Library
                

                Topics
                    
                        Data & Maps
                    
                        Surveys & Programs
                    
                        Resource Library

                    Partners
                    
                        Researchers
                    
                        Educators
                    
                        Survey Respondents

                    News
                    
                        NAICS Codes
                    
                        Jobs
                    
                        About Us
                    
                        Contact Us
                    
                        Help

                  
                
                    View All Topics and Subtopics
                        
                        	 
                            Index A to Z

                        Age and Sex
                        
                            Business and Economy
                        
                            Education
                        
                            Emergency Management / Disasters
                        
                            Employment
                        
                            Families and Living Arrangements
                        
                            Geography
                        
                            Health
                        
                            Hispanic Origin
                        
                            Housing
                        
                            Income and Poverty
                        
                            International Trade
                        
                            Migration/Geographic Mobility
                        
                            Population
                        
                            Population Estimates
                        
                            Public Sector
                        
                            Race
                        
                            Redistricting
                        
                            Research
                        
                            Voting and Registration
                
                    Explore data on data.census.gov
                        
                        	 
                            View all data resources

                        Census Academy
                        
                            Combining Data
                        
                            Data Equity Tools
                        
                            Data Tools and Apps
                        
                            Datasets
                        
                            Developers
                        
                            Experimental Data Products
                        
                            Interactive Maps
                        
                            Mapping Files
                        
                            Profiles
                        
                            Related Sites
                        
                            Software
                        
                            Tables
                        
                            Training and Workshops
                        
                            Visualizations
                
                    Survey Help
                        
                        	 
                            View all Surveys & Programs

                        2020 Census
                        
                            2030 Census
                        
                            American Community Survey (ACS)
                        
                            American Housing Survey (AHS)
                        
                            Annual Business Survey (ABS)
                        
                            Annual Integrated Economic Survey (AIES)
                        
                            Census of Governments
                        
                            County Business Patterns (CBP)
                        
                            Current Population Survey (CPS)
                        
                            Economic Census
                        
                            Household Pulse Survey
                        
                            International Programs
                        
                            Metro and Micro Areas
                        
                            Population Estimates
                        
                            Population Projections
                        
                            Small Area Income and Poverty
                        
                            Statistics of U.S. Businesses
                        
                            Survey of Income and Program Participation (SIPP)
                
                    View all library resources
                        
                        	 
                            Glossary

                        America Counts: Stories
                        
                            Audio
                        
                            Blogs
                        
                            By the Numbers
                        
                            Facts for Features
                        
                            Fact Sheets
                        
                            Infographics and Visualizations
                        
                            Photos
                        
                            Publications
                        
                            Spotlights
                        
                            Stats for Stories
                        
                            Training (Census Academy)
                        
                            Videos
                        
                            Working Papers
 English
				    
				        Español / Spanish
				    
				        العربية / Arabic
				    
				        中文(简体) / Chinese (Simplified)
				    
				        中文(繁體) / Chinese (Traditional)
				    
				        Français / French
				    
				        kreyòl ayisyen / Haitian Creole
				    
				        日本語 / Japanese
				    
				        한국어 / Korean
				    
				        Język Polski / Polish
				    
				        Português / Portuguese
				    
				        Русский / Russian
				    
				        Wikang Tagalog / Tagalog
				    
				        Tiếng Việt / Vietnamese
 //
            Census.gov
                    /
		
            
            Census Fact Sheets
                    /
		
            
            Apportionment 101
                    /
		
            
            国会席位分配基本知识
 国会席位分配基本知识
 Skip Navigation Within Library
 About the Library
	
		America Counts: Stories
	
		Audio
	
		By the Numbers
	
		Fact Sheets
	
		Infographics & Visualizations
	
		Photos
	
		Publications
	
		References
	
		Spotlights
	
		Videos
	
		Working PapersWithin Library

			Within Library
				
					About the Library
				
					America Counts: Stories
				
					Audio
				
					By the Numbers
				
					Fact Sheets
				
					Infographics & Visualizations
				
					Photos
				
					Publications
				
					References
				
					Spotlights
				
					Videos
				
					Working Papers
 国会席位分配基本知识
 February 23, 2021
 Share  Facebook X (Twitter) LinkedIn
 
 Embed
 
 Download or Print this Fact Sheet
 .pdf
				国会席位分配基本知识
                    [<1.0 MB]
 .jpg
				国会席位分配基本知识
                    [<1.0 MB]
 
 
 Thumbs Up ImageYes
            Thumbs Down ImageNo
 Top
 Back to Header Receive Updates
	        To sign up for updates please enter your email address.
        
        Enter your email address
	        Subscribe

	


            

            Stay Current
                            
                            America Counts
                                
                                    Director’s Blog
                                
                                    Deputy Director’s Blog
                                
                                    Random Samplings
                                
                                    Research Matters

                        Stay Connected
                            
                            Contact
                                
                                    Support
                                
                                    Jobs

                    Follow

	            Information Quality

                    |
	            
                    Data Linkage Infrastructure

                    |
	            
                    Data Protection and Privacy Policy

                    |
	            
                    Accessibility

                    |
	            
                    FOIA

                    |
	            
                    Inspector General

                    |
	            
                    No FEAR Act

                    |
	            
                    U.S. Department of Commerce

                    |
	            
                    USA.gov

            Measuring America's People, Places, and Economy