"人口密度" meaning in Japanese

{
  "forms": [
    {
      "form": "人口密度",
      "ruby": [
        [
          "人",
          "じん"
        ],
        [
          "口",
          "こう"
        ],
        [
          "密",
          "みつ"
        ],
        [
          "度",
          "ど"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "jinkō mitsudo",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "じんこう みつど"
      },
      "expansion": "人(じん)口(こう)密(みつ)度(ど) • (jinkō mitsudo)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant alt parameters",
          "parents": [
            "Links with redundant alt parameters",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with 4 kanji",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with multiple readings",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "population density"
      ],
      "id": "en-人口密度-ja-noun-4rE7YuWq",
      "links": [
        [
          "population density",
          "population density"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "other": "じんこーみつど"
    },
    {
      "ipa": "[d͡ʑĩŋko̞ːmʲit͡sɨdo̞]"
    }
  ],
  "word": "人口密度"
}

{
  "forms": [
    {
      "form": "人口密度",
      "ruby": [
        [
          "人",
          "じん"
        ],
        [
          "口",
          "こう"
        ],
        [
          "密",
          "みつ"
        ],
        [
          "度",
          "ど"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "jinkō mitsudo",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "じんこう みつど"
      },
      "expansion": "人(じん)口(こう)密(みつ)度(ど) • (jinkō mitsudo)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant alt parameters",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms spelled with first grade kanji",
        "Japanese terms spelled with sixth grade kanji",
        "Japanese terms spelled with third grade kanji",
        "Japanese terms with 4 kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with multiple readings",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Pages with 2 entries",
        "Pages with entries"
      ],
      "glosses": [
        "population density"
      ],
      "links": [
        [
          "population density",
          "population density"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "other": "じんこーみつど"
    },
    {
      "ipa": "[d͡ʑĩŋko̞ːmʲit͡sɨdo̞]"
    }
  ],
  "word": "人口密度"
}

{
  "called_from": "parser/1336",
  "msg": "no corresponding start tag found for </span>",
  "path": [
    "人口密度"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "人口密度",
  "trace": ""
}