{
    "name": "Jason",
    "slug": "jason",
    "url": "https://ninan.org/name/jason/",
    "latest_year": 2025,
    "us": {
        "births_total": 1057058,
        "births_latest": 2224,
        "births_female": 5028,
        "births_male": 1052030,
        "first_year": 1880,
        "peak_year": 1977,
        "peak_count": 55944,
        "rank_latest": {
            "female": null,
            "male": 165
        },
        "years_top_100": 53,
        "years_top_1000": 145,
        "trend_5y_log": -0.3337,
        "trend_10y_log": -0.8165,
        "momentum": -17
    },
    "living_estimate": {
        "total": 983400,
        "female": 4800,
        "male": 978600,
        "median_age": 45,
        "mean_age": 40.9,
        "modal_birth_decade": 1970,
        "method": "https://ninan.org/methodology/#living"
    },
    "gender": {
        "share_female": 0.0048,
        "unisex_index": 0.01,
        "unisex_index_recent": 0.001,
        "changed_sides": false
    },
    "england_and_wales": {
        "year": 2025,
        "count": 270,
        "rank": 187,
        "attribution": "Contains public sector information licensed under the Open Government Licence v3.0."
    },
    "top_states": [
        {
            "state": "DE",
            "lq": 2.07,
            "count": 108
        },
        {
            "state": "RI",
            "lq": 1.97,
            "count": 112
        },
        {
            "state": "DC",
            "lq": 1.76,
            "count": 104
        },
        {
            "state": "MD",
            "lq": 1.74,
            "count": 773
        },
        {
            "state": "NM",
            "lq": 1.69,
            "count": 199
        }
    ],
    "era_label": "late 20th-century perennial",
    "origin": {
        "label": "non_indian",
        "confidence": 1
    },
    "series": [
        [
            1880,
            20,
            381
        ],
        [
            1881,
            22,
            348
        ],
        [
            1882,
            20,
            399
        ],
        [
            1883,
            13,
            497
        ],
        [
            1884,
            25,
            352
        ],
        [
            1885,
            16,
            462
        ],
        [
            1886,
            21,
            383
        ],
        [
            1887,
            14,
            461
        ],
        [
            1888,
            21,
            404
        ],
        [
            1889,
            18,
            434
        ],
        [
            1890,
            12,
            566
        ],
        [
            1891,
            15,
            456
        ],
        [
            1892,
            16,
            497
        ],
        [
            1893,
            8,
            768
        ],
        [
            1894,
            24,
            376
        ],
        [
            1895,
            23,
            399
        ],
        [
            1896,
            9,
            778
        ],
        [
            1897,
            12,
            615
        ],
        [
            1898,
            18,
            485
        ],
        [
            1899,
            5,
            1051
        ],
        [
            1900,
            15,
            649
        ],
        [
            1901,
            10,
            683
        ],
        [
            1902,
            14,
            583
        ],
        [
            1903,
            13,
            619
        ],
        [
            1904,
            11,
            723
        ],
        [
            1905,
            12,
            699
        ],
        [
            1906,
            15,
            613
        ],
        [
            1907,
            9,
            930
        ],
        [
            1908,
            10,
            877
        ],
        [
            1909,
            15,
            714
        ],
        [
            1910,
            24,
            582
        ],
        [
            1911,
            25,
            605
        ],
        [
            1912,
            42,
            649
        ],
        [
            1913,
            44,
            681
        ],
        [
            1914,
            59,
            658
        ],
        [
            1915,
            78,
            657
        ],
        [
            1916,
            83,
            641
        ],
        [
            1917,
            92,
            617
        ],
        [
            1918,
            102,
            608
        ],
        [
            1919,
            81,
            690
        ],
        [
            1920,
            76,
            754
        ],
        [
            1921,
            97,
            656
        ],
        [
            1922,
            95,
            657
        ],
        [
            1923,
            101,
            638
        ],
        [
            1924,
            105,
            622
        ],
        [
            1925,
            110,
            600
        ],
        [
            1926,
            101,
            622
        ],
        [
            1927,
            97,
            643
        ],
        [
            1928,
            87,
            676
        ],
        [
            1929,
            119,
            534
        ],
        [
            1930,
            106,
            582
        ],
        [
            1931,
            83,
            656
        ],
        [
            1932,
            95,
            607
        ],
        [
            1933,
            81,
            642
        ],
        [
            1934,
            91,
            630
        ],
        [
            1935,
            83,
            652
        ],
        [
            1936,
            97,
            586
        ],
        [
            1937,
            81,
            661
        ],
        [
            1938,
            92,
            620
        ],
        [
            1939,
            71,
            707
        ],
        [
            1940,
            93,
            616
        ],
        [
            1941,
            81,
            678
        ],
        [
            1942,
            118,
            566
        ],
        [
            1943,
            137,
            536
        ],
        [
            1944,
            116,
            569
        ],
        [
            1945,
            115,
            558
        ],
        [
            1946,
            117,
            592
        ],
        [
            1947,
            133,
            590
        ],
        [
            1948,
            179,
            492
        ],
        [
            1949,
            217,
            454
        ],
        [
            1950,
            205,
            466
        ],
        [
            1951,
            189,
            493
        ],
        [
            1952,
            218,
            469
        ],
        [
            1953,
            280,
            420
        ],
        [
            1954,
            306,
            411
        ],
        [
            1955,
            397,
            365
        ],
        [
            1956,
            442,
            353
        ],
        [
            1957,
            440,
            367
        ],
        [
            1958,
            596,
            311
        ],
        [
            1959,
            720,
            292
        ],
        [
            1960,
            940,
            259
        ],
        [
            1961,
            1068,
            242
        ],
        [
            1962,
            1298,
            213
        ],
        [
            1963,
            1511,
            197
        ],
        [
            1964,
            2104,
            155
        ],
        [
            1965,
            2887,
            111
        ],
        [
            1966,
            3787,
            89
        ],
        [
            1967,
            5357,
            54
        ],
        [
            1968,
            7172,
            47
        ],
        [
            1969,
            16580,
            25
        ],
        [
            1970,
            27386,
            13
        ],
        [
            1971,
            34328,
            8
        ],
        [
            1972,
            37631,
            7
        ],
        [
            1973,
            46909,
            3
        ],
        [
            1974,
            55022,
            2
        ],
        [
            1975,
            52462,
            2
        ],
        [
            1976,
            52935,
            2
        ],
        [
            1977,
            55944,
            2
        ],
        [
            1978,
            51894,
            2
        ],
        [
            1979,
            50672,
            3
        ],
        [
            1980,
            48472,
            3
        ],
        [
            1981,
            42166,
            4
        ],
        [
            1982,
            40902,
            4
        ],
        [
            1983,
            35358,
            7
        ],
        [
            1984,
            30158,
            11
        ],
        [
            1985,
            26223,
            14
        ],
        [
            1986,
            22578,
            18
        ],
        [
            1987,
            19461,
            23
        ],
        [
            1988,
            16008,
            27
        ],
        [
            1989,
            12657,
            35
        ],
        [
            1990,
            10736,
            46
        ],
        [
            1991,
            9420,
            49
        ],
        [
            1992,
            9271,
            46
        ],
        [
            1993,
            8658,
            45
        ],
        [
            1994,
            8587,
            46
        ],
        [
            1995,
            9033,
            41
        ],
        [
            1996,
            8721,
            41
        ],
        [
            1997,
            8763,
            41
        ],
        [
            1998,
            9421,
            40
        ],
        [
            1999,
            9384,
            40
        ],
        [
            2000,
            9802,
            39
        ],
        [
            2001,
            10186,
            41
        ],
        [
            2002,
            9976,
            42
        ],
        [
            2003,
            9846,
            42
        ],
        [
            2004,
            9096,
            47
        ],
        [
            2005,
            8621,
            51
        ],
        [
            2006,
            8464,
            55
        ],
        [
            2007,
            8131,
            59
        ],
        [
            2008,
            7675,
            60
        ],
        [
            2009,
            6938,
            66
        ],
        [
            2010,
            6289,
            69
        ],
        [
            2011,
            5863,
            71
        ],
        [
            2012,
            5766,
            76
        ],
        [
            2013,
            5526,
            79
        ],
        [
            2014,
            5574,
            75
        ],
        [
            2015,
            5032,
            86
        ],
        [
            2016,
            4893,
            84
        ],
        [
            2017,
            4256,
            92
        ],
        [
            2018,
            3880,
            99
        ],
        [
            2019,
            3589,
            103
        ],
        [
            2020,
            3105,
            119
        ],
        [
            2021,
            2875,
            129
        ],
        [
            2022,
            2614,
            146
        ],
        [
            2023,
            2465,
            147
        ],
        [
            2024,
            2455,
            148
        ],
        [
            2025,
            2224,
            165
        ]
    ],
    "sources": {
        "us": "https://www.ssa.gov/oact/babynames/",
        "ew": "https://www.ons.gov.uk/peoplepopulationandcommunity/birthsdeathsandmarriages/livebirths",
        "life_table": "https://www.ssa.gov/oact/STATS/table4c6.html"
    },
    "license": "CC BY 4.0",
    "attribution": "ninan.org",
    "generated": "2026-08-29"
}