Chart description: There is a huge spike in immigration in the first half of the 20th century, and it has decreased greatly since pre-1940.

Chart data: Year Number of migrants Dec 31, 1819 5 Dec 31, 1820 1 Dec 31, 1821 3 Dec 31, 1822 3 Dec 31, 1823 4 Dec 31, 1824 1 Dec 31, 1825 0 Dec 31, 1826 1 Dec 31, 1827 1 Dec 31, 1828 0 Dec 31, 1829 2 Dec 31, 1830 0 Dec 31, 1831 34 Dec 31, 1832 1 Dec 31, 1833 54 Dec 31, 1834 54 Dec 31, 1835 53 Dec 31, 1836 81 Dec 31, 1837 41 Dec 31, 1838 46 Dec 31, 1839 5 Dec 31, 1840 15 Dec 31, 1841 10 Dec 31, 1842 17 Dec 31, 1843 36 Dec 31, 1844 6 Dec 31, 1845 4 Dec 31, 1846 8 Dec 31, 1847 0 Dec 31, 1848 4 Dec 31, 1849 5 Dec 31, 1850 10 Dec 31, 1851 110 Dec 31, 1852 33 Dec 31, 1853 208 Dec 31, 1854 462 Dec 31, 1855 20 Dec 31, 1856 124 Dec 31, 1857 9 Dec 31, 1858 106 Dec 31, 1859 82 Dec 31, 1860 48 Dec 31, 1861 63 Dec 31, 1862 94 Dec 31, 1863 165 Dec 31, 1864 528 Dec 31, 1865 412 Dec 31, 1866 310 Dec 31, 1867 0 Dec 31, 1868 184 Dec 31, 1869 223 Dec 31, 1870 535 Dec 31, 1871 1647 Dec 31, 1872 3338 Dec 31, 1873 1795 Dec 31, 1874 984 Dec 31, 1875 925 Dec 31, 1876 533 Dec 31, 1877 547 Dec 31, 1878 489 Dec 31, 1879 2177 Dec 31, 1880 5614 Dec 31, 1881 4672 Dec 31, 1882 2011 Dec 31, 1883 4536 Dec 31, 1884 3085 Dec 31, 1885 3939 Dec 31, 1886 6128 Dec 31, 1887 5826 Dec 31, 1888 4922 Dec 31, 1889 11073 Dec 31, 1890 27497 Dec 31, 1891 40536 Dec 31, 1892 16374 Dec 31, 1893 1941 Dec 31, 1894 790 Dec 31, 1895 691 Dec 31, 1896 4165 Dec 31, 1897 4726 Dec 31, 1898 0 Dec 31, 1899 0 Dec 31, 1900 0 Dec 31, 1901 0 Dec 31, 1902 0 Dec 31, 1903 0 Dec 31, 1904 0 Dec 31, 1905 0 Dec 31, 1906 0 Dec 31, 1907 0 Dec 31, 1908 0 Dec 31, 1909 0 Dec 31, 1910 0 Dec 31, 1911 0 Dec 31, 1912 0 Dec 31, 1913 0 Dec 31, 1914 0 Dec 31, 1915 0 Dec 31, 1916 0 Dec 31, 1917 0 Dec 31, 1918 0 Dec 31, 1919 4813 Dec 31, 1920 95089 Dec 31, 1921 28635 Dec 31, 1922 26538 Dec 31, 1923 28806 Dec 31, 1924 5341 Dec 31, 1925 7126 Dec 31, 1926 9211 Dec 31, 1927 8755 Dec 31, 1928 9002 Dec 31, 1929 9231 Dec 31, 1930 3604 Dec 31, 1931 1296 Dec 31, 1932 13332 Dec 31, 1933 1032 Dec 31, 1934 1504 Dec 31, 1935 869 Dec 31, 1936 1212 Dec 31, 1937 2403 Dec 31, 1938 3072 Dec 31, 1939 702 Dec 31, 1940 451 Dec 31, 1941 343 Dec 31, 1942 394 Dec 31, 1943 292 Dec 31, 1944 195 Dec 31, 1945 335 Dec 31, 1946 745 Dec 31, 1947 2447 Dec 31, 1948 1673 Dec 31, 1949 696 Dec 31, 1950 98 Dec 31, 1951 235 Dec 31, 1952 136 Dec 31, 1953 67 Dec 31, 1954 129 Dec 31, 1955 263 Dec 31, 1956 571

Vega-Lite specification:
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